Ambipar Emergency Response shares plunge 31% after bankruptcy filing

Invezz

Ambipar Emergency Response

0.00%

Bank of America

+0.34%

Bank of New York Mellon

-0.06%

Deutsche Bank

+0.75%

Shares of Ambipar Emergency Response (NYSE American: AMBI) dropped 31% to 77 cents on Thursday after trading resumed, following a two-day halt triggered by the company’s bankruptcy filing earlier in the week.

The stock fluctuated between a low of 48 cents — its 52-week low — and a high of 95 cents during intraday trading.

The US-listed subsidiary of Brazilian waste management company Ambipar Participações e Empreendimentos SA filed for Chapter 11 bankruptcy protection in Texas on Monday.

Meanwhile, its parent company filed for insolvency protection in Brazil’s courts, citing irregularities in financial transactions linked to a former senior executive.

Despite the filings, Ambipar said that its normal operations will continue during the restructuring process.

However, the NYSE American exchange announced plans to begin delisting proceedings, though the company retains the right to appeal the decision.

Ambipar Emergency Response specializes in crisis management and emergency response services, including environmental, chemical, and biological incidents.

Irregular financial activity and rising debt pressures

Ambipar’s financial turmoil deepened following the resignation of Chief Financial Officer João de Arruda last month.

The company disclosed that its bankruptcy protection became necessary after uncovering irregularities in swap operations managed by the finance department under Arruda’s tenure.

According to filings, swap contracts were transferred from Bank of America to Deutsche Bank, with later amendments that introduced speculative elements, a move that raised red flags during internal reviews.

Deutsche Bank subsequently requested additional loan guarantees, prompting other creditors to seek early repayment.

Ambipar declared total debt of 10.48 billion reais ($1.94 billion) in its Brazilian bankruptcy filing.

The company also has roughly $1.05 billion in outstanding green bonds maturing in 2031 and 2033.

The Bank of New York, acting as trustee, has listed unsecured claims of about $328 million related to those bonds.

An ad hoc group of green bondholders has retained Davis Polk & Wardwell LLP as legal counsel and Houlihan Lokey as financial advisor.

Meanwhile, Ambipar has hired FTI Consulting to conduct a forensic accounting review.

Governance issues and broader market impact

The collapse of Ambipar adds to a series of corporate debt troubles rattling markets in recent weeks, following bankruptcies at First Brands and Tricolor, a subprime lender.

Analysts say that while these cases appear idiosyncratic, investor sentiment remains fragile.

JPMorgan CEO Jamie Dimon warned that more “cockroaches” could emerge in the credit markets, referencing potential hidden financial risks.

Brazilian companies, including Ambipar, are under additional strain due to high domestic interest rates, with the central bank maintaining its benchmark rate at 15% amid rising fiscal concerns.

Ambipar’s shares have plunged nearly 96% year-to-date and were removed from all B3 stock indexes earlier this month due to governance concerns.

Analysts at UBS said the company’s rapid expansion through over 70 acquisitions has exposed weaknesses in its balance sheet and internal controls.

As of 2023, Ambipar derived 57% of revenue from Brazil, 25% from North America, 15% from Latin America, and 3% from Europe.

The company’s struggle to manage its growing complexity now leaves it facing a long path to regain stability and investor confidence.

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Ambipar Emergency Response Falls to 52-Week Low, Resumes Trading After Bankruptcy

Dow Jones Newswires

Ambipar Emergency Response

0.00%

By Josh Beckerman

Ambipar Emergency Response shares declined 33% to 75 cents on Thursday, resuming trading after being halted since Tuesday following the company's bankruptcy filing.

Intraday prices ranged from 48 cents, which marked a 52-week low, to 95 cents.

Ambipar filed for chapter 11 bankruptcy in Texas on Monday, while parent company Ambipar Participações e Empreendimentos filed for insolvency protection in Brazil. The company said Tuesday morning that normal operations are continuing.

Ambipar Emergency Response provides services including crisis management and responding to environmental, chemical and biological emergencies.

NYSE American said Tuesday that it would commence delisting proceedings. The company has the right to appeal.

Write to Josh Beckerman at josh.beckerman@wsj.com

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Wells Fargo, Walmart Lead Tuesday’s Market Cap Stock Movers

Investing.com

Navitas Semiconductor

-7.33%

Tuesday’s trading session is witnessing significant movements across various stocks, particularly in the mega-cap and large-cap sectors. Companies like Wells Fargo (WFC) and Walmart (WMT) are experiencing notable upticks, while others such as Nvidia Corp (NVDA) and Avago Technologies (AVGO) are facing downturns. Here’s a closer look at some of the key stock movers today, from the largest market caps to the smaller ones.

Mega-Cap Movers (Market Cap $200B+):

Wells Fargo (WFC); +8.74%
Caterpillar (CAT); +4.67%
Walmart (WMT); Walmart partners with OpenAI to enable shopping through ChatGPT; +4.16%
American Express (AXP); +3.82%
Adv Micro Device (AMD); Oracle Cloud To Deploy 50,000 AMD AI Chips In 2H 2026 - CNBC; +3.4%
Bank Of America (BAC); +3.13%
Nvidia Corp (NVDA); Together AI begins substantial purchases of Nvidia chips - The Information; -3.41%
Palantir Technologies Inc (PLTR); +2.14%
Avago Technologies (AVGO); Broadcom launches industry’s first 800G AI ethernet NIC; -2.88%
Cisco Sys Inc (CSCO); +2.3%

Large-Cap Stock Movers (Market Cap $10B-$200B):

Ubiquiti Networks (UI); +11.27%
Astera Labs (ALAB); Astera Labs joins Arm Total Design to advance chiplet solutions; -15.45%
Iris Energy (IREN); +9.46%
DPCM Capital (QBTS); +6.91%
Joby Aviation (JOBY); +8.44%
AltC Acquisition (OKLO); +5.85%
Toast (TOST); +5.97%
Ally Financ (ALLY); +6.36%
New Providence Acquisition Corp N (ASTS); +7.44%
Roblox Corp (RBLX); +4.12%

Mid-Cap Stock Movers (Market Cap $2B-$10B):

Sizzle Acquisition (CRML); +31.38%
Live Oak Acq (NVTS); Navitas develops power semiconductors for NVIDIA’s 800 VDC AI platforms; +28.84%
Fluence Energy (FLNC); +19.35%
Northstar At Mgt (DBRG); +17.9%
Polaris Industries (PII); Polaris to sell majority stake in Indian Motorcycle to Carolwood; +14.11%
Ikonics Corp (WULF); TeraWulf’s compute unit plans $3.2 billion notes offering for data center; +12.68%
Albertsons Companies (ACI); Albertsons announces $750 million share buyback as part of expanded program; +13.48%
CleanSpark (CLSK); +10.9%
Power Integration (POWI); +10.27%
United States Antimony Corp (UAMY); +8.08%

Small-Cap Stock Movers (Market Cap $300M-$2B):

Catabasis Pharma (ATXS); BioCryst to acquire Astria Therapeutics for $700 million; +39.14%
American Resources (AREC); +31.02%
Sealsq (LAES); SEALSQ and Wecan Group partner on post-quantum KYC solution; +22.82%
Rice Acquisition II (NPWR); +19.85%
Thunder Bridge Acquisition II Ltd (INDI); +20.15%
Oroplata Resources (ABAT); +20.28%
Orion Engineered Carbons SARL (OEC); Orion cuts 2025 outlook amid weaker demand, shifts to cash focus; -17.97%
Inotek Pharmaceuticals Corp (RCKT); FDA accepts Rocket Pharmaceuticals’ gene therapy BLA for rare disease; +20.46%
CF Acquisition V (SATL); Satellogic advances 30 cm resolution satellite platform with AI capabilities; +18.37%
HCM II Acquisition (HOND); +22.28%

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Meta, Goldman Sachs lead Tuesday’s market cap stock movers

Investing.com

Tuesday’s market has seen notable shifts with several stocks making significant intra-day movements. Mega-cap stocks like Facebook Inc (NASDAQ:META) and Goldman Sachs Group (NYSE:GS) are experiencing upward trends, while large-cap stocks such as Sea Limited (NYSE:SE) and Tencent Music Entertainment Group (NYSE:TME) also show impressive gains. Here’s a rundown of today’s key stock movers, from the biggest names to smaller entities.

Mega-Cap Movers (Market Cap $200B+):

Facebook Inc (META): expands partnership with Japan’s SOMPO Holdings; +3.2%
Goldman Sachs Group (GS): +3.89%
Alibaba-exch (BABA): +3.04%
Bank Of America (NYSE:BAC): +2.83%
Morgan Stanley (MS): +2.84%
United Health Group (NYSE:UNH): -49.54%
Palantir Technologies Inc (NASDAQ:PLTR): +2.7%
American Express (NYSE:AXP): +2.52%
Wells Fargo (WFC): +2.42%
Avago Technologies (NASDAQ:AVGO): +2.27%

Large-Cap Stock Movers (Market Cap $10B-$200B):

Sea Limited (SE): +20.3%
Tencent Music Entertainment Group (TME): +12.09%
Summit Therapeutics PLC (NASDAQ:SMMT): -11.19%
New Providence Acquisition Corp N (ASTS): +10.43%
United continenta (NASDAQ:UAL): +9.76%
NIO Inc (NYSE:NIO): -8.66%
Unity Software Inc (NYSE:U): +10.09%
On Holding (ONON): +8.68%
AltC Acquisition (OKLO): +8.21%
Delta air lines new (NYSE:DAL): +8.46%

Mid-Cap Stock Movers (Market Cap $2B-$10B):

Mercury Computer (NASDAQ:MRCY): shares rise as Q4 results exceed expectations; +23.11%
GigCapital4 (BBAI): BigBear.ai shares plummet after revenue miss and guidance cut; -17.95%
ACV Auctions (ACVA): -17.3%
Resideo Tech (REZI): Morgan Stanley upgrades Resideo Technologies (NYSE:REZI) stock to Overweight on earnings potential; +14.16%
Celanese (NYSE:CE): shares plunge 11% as weak outlook overshadows Q2 beat; -12.44%
Bitmine Immersion (NASDAQ:IMMR) Tech (BMNR): +10.26%
AAON (NASDAQ:AAON): +11.08%
Xometry (XMTR): +11.32%
ETHU (ETHU): +10.81%
American Airlines Group (NASDAQ:AAL): +10.4%

Small-Cap Stock Movers (Market Cap $300M-$2B):

KBL Merger IV (ATNF): 180 Life Sciences holds 82,186 ETH valued at $349 million; +175.51%
Green Dot Corp (NYSE:GDOT): stock soars 21% following Q2 beat and raise; +32.53%
Tonix Pharm (NASDAQ:TNXP): +31.88%
Alcobra Ltd (ARCT): Arcturus Therapeutics (NASDAQ:ARCT) shares edge higher despite earnings miss in Q2; +28.93%
Hanesbrands (NYSE:HBI): Gildan Is Said To Weigh Hanesbrands (HBI) Offer At About $6/Sh - Bloomberg; +27.74%
Lightbridge Corp (LTBR): Lightbridge and Oklo to explore co-located nuclear fuel facility; +28.33%
Eastman Kod (NYSE:KODK): shares tumble as Q2 earnings swing to loss; -24.56%
Frontier Group Holdings (NASDAQ:ULCC): +24.32%
Fluence Energy (FLNC): shares tumble 14% as Q3 revenue misses estimates; -19.64%
Inflection Point Acquisition II (USAR): USA Rare Earth signs MOU with Enduro for neo magnet supply; +18.46%

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Apple and Netflix Lead Mega-Cap Movers on Friday’s Trading Session

Investing.com

Netflix

-1.49%

Sotera Health Company

-0.18%

Chime Financial Inc.

-5.99%

Flutter Entertainment

-1.50%

Newegg Commerce

-7.81%

Friday’s market has seen significant activity with stocks across all market caps experiencing notable movements. Investors have been particularly attentive to the mega-cap stocks like Apple Computer Inc (NASDAQ:AAPL) and Netflix, Inc. (NASDAQ:NFLX), which have shown considerable gains, while large-cap stocks such as Trade Desk Inc (NASDAQ:TTD) have faced steep declines. Here’s an overview of today’s stock movers, from the giants of the market to the smaller players.

Mega-Cap Movers (Market Cap $200B+):

Palantir Technologies Inc (NASDAQ:PLTR); Unstructured joins Palantir’s FedStart program for federal compliance: +2.63%
Apple Computer Inc (AAPL): +4.65%
Google Inc (NASDAQ:GOOGL): +2.36%
Netflix, Inc. (NFLX): +2.44%
Cisco Sys Inc (NASDAQ:CSCO): +2.84%
Bank Of America (NYSE:BAC): +2.78%
Mastercard Cl A (NYSE:MA): +2.43%
United Health Group (NYSE:UNH): +2.0%
Tesla Motors (NASDAQ:TSLA): +2.13%

Large-Cap Stock Movers (Market Cap $10B-$200B):

Trade Desk Inc (TTD); MoffettNathanson downgrades Trade Desk stock rating to Sell on valuation concerns: -37.26%
Twilio Inc A (NYSE:TWLO): -17.95%
Chime Financial (CHYM): -12.69%
Godaddy Inc (NYSE:GDDY); GoDaddy beats Q2 earnings estimate, stock falls 2%: -11.08%
Pinterest Inc (NYSE:PINS): -9.37%
Flutter Entertainment PLC (FLUT): -7.73%
Doximity (DOCS): +11.78%
Natera Inc (NASDAQ:NTRA); Natera shares gain as revenue surges past expectations: +10.21%
GenOn Energy Inc (GEN): +9.46%
Gilead Sciences Inc (NASDAQ:GILD); Truist Securities upgrades Gilead Sciences stock to Buy on HIV strength: +8.07%

Mid-Cap Stock Movers (Market Cap $2B-$10B):

Sezzle Inc PK (SEZL): -33.17%
SoundHound AI (NASDAQ:SOUN); SoundHound AI gains after crushing revenue estimates: +28.83%
Bitmine Immersion (NASDAQ:IMMR) Tech (BMNR): +24.3%
Sotera Health Co (NASDAQ:SHC); Sotera Health shares rise as Q2 results exceed expectations: +23.98%
Jyong Biotech (MENS): +28.58%
Under Armour (NYSE:UA) (UAA): -21.16%
Fly Leasing Ltd (NYSE:FLY): -17.76%
Apex Technology Acquisition (AVPT); AvePoint shares fall as earnings miss overshadows revenue beat: -16.29%
Goodyear Tire (NASDAQ:GT); Goodyear Tire shares tumble as second quarter earnings miss estimates: -17.01%
PAR Technology Corp (NYSE:PAR); PAR Technology beats Q2 expectations as revenue jumps 44%: -17.62%

Small-Cap Stock Movers (Market Cap $300M-$2B):

Dehaier Medical Systems (NEGG): +35.57%
Apollo Medical (ASTH): +32.2%
LegalZoom com (LZ); BofA Securities upgrades LegalZoom stock rating to Buy on subscription growth: +30.94%
GigaCloud Technology (GCT): +28.54%
Willdan Group (NASDAQ:WLDN): +26.41%
VTEX (VTEX); JPMorgan downgrades VTEX stock to Neutral on weak growth outlook: -27.11%
nLIGHT Inc (NASDAQ:LASR): +25.6%
Varex Imaging Corp (NASDAQ:VREX): +24.97%
Sweetgreen (SG); Sweetgreen shares tumble 21% as sales stall and guidance disappoints: -25.2%
Xponential Fitness (XPOF): -25.7%

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Tesla and AMD Lead Market Cap Stock Movers on Monday

Investing.com

Regencell Bioscience

+3.98%

Bank of New York Mellon

Monday’s market has seen notable fluctuations among various stocks, particularly within the mega-cap and large-cap categories. Tesla Motors (NASDAQ:TSLA) and Advanced Micro Devices (NASDAQ:AMD) are experiencing significant rallies, while Super Micro Computer (NASDAQ:SMCI) faces a downturn. Here’s a look at some of the most impactful stock movers today, spanning from mega-caps to small caps.

Mega-Cap Movers:

Tesla Motors (TSLA): +9.12%
Palantir Technologies Inc (NASDAQ:PLTR): +2.42%
Eli Lilly And Co (NYSE:LLY): +1.67%
Adv Micro Device (AMD); Melius upgrades stock rating on AI growth prospects: +3.12%

Large-Cap Stock Movers:

Oaktree Acquisition Corp (NYSE:HIMS): -32.3%
Regencell Bioscience Holdings (RGC): -28.05%
Circle Internet Group Inc (CRCL); Fiserv (NYSE:FI) to launch stablecoin FIUSD on new digital asset platform: +15.41%
Exelixis Inc (NASDAQ:EXEL); Announces Zanzalintinib improved survival in STELLAR-303 Phase 3 trial: +11.35%
Northern Trust (NASDAQ:NTRS); Stock rises after BNY Mellon (NYSE:BK) merger talks report: +8.68%
Li Auto Inc (NASDAQ:LI): +7.06%
Arista Networks (NYSE:ANET): +5.32%
Vector Acquisition (NASDAQ:RKLB): +5.34%
Super Micro Compu (SMCI); Plans to offer $2 billion in convertible notes due 2030: -4.81%
Darden Restaurants (NYSE:DRI): -4.83%

Mid-Cap Stock Movers:

Zeta Global Holdings (ZETA): +21.83%
TSLL (TSLL): +18.21%
Centrus Energy (NYSE:LEU): +6.62%
Nuscale Power (SMR); Citi initiates stock with neutral rating, $46 target: +4.68%
Lemonade Inc (NYSE:LMND): +3.84%
Quantum Computing OTC (QUBT); Raises $200 million in private placement: -9.49%
Metsera (MTSR): -6.05%

Small-Cap Stock Movers:

Spartan Stores (NASDAQ:SPTN); C&S Wholesale Grocers to acquire SpartanNash for $1.77 billion: +49.6%
CorMedix Inc (NASDAQ:CRMD); Expands dialysis customer implementation of DefenCath: +27.08%
AIRO Holdings (AIRO): +22.62%
Columbus (WA:CLC) Circle Capital I (CCCM); ProCap Financial raises $750 million for bitcoin treasury business: -22.59%
Compass Pathways Plc (NASDAQ:CMPS); Evercore ISI downgrades stock on durability concerns: -46.19%
WeTrade (NXTT): -36.48%
Fluidigm Corp (NASDAQ:LAB): +38.08%
Bukit Jalil Global Acquisition 1 (GIBO): -19.15%
SS Innovations International (SSII): -18.35%
TSLT (TSLT): +18.24%

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Ring Energy Announces Credit Facility Extension and Amendment

GlobeNewswire

THE WOODLANDS, Texas, June 18, 2025 (GLOBE NEWSWIRE) — Ring Energy, Inc. (NYSE American: REI) (“Ring” or the “Company”) today announced that the borrowing base was affirmed at $585 million under its $1.0 billion senior secured credit facility (the “Credit Facility”). In addition, the Credit Facility term was extended to June 2029, and Bank of America, N.A. was named as new Administrative Agent.

KEY HIGHLIGHTS

Entered into a Third Amended and Restated Credit Agreement with a borrowing base of $585 million;
Extended Credit Facility term 34 months to June 2029, supported by an 11-member banking syndicate;
Reflects a 25 basis point reduction in the Applicable Margin pricing grid; and
Next regularly scheduled bank redetermination to occur during the fall of 2025.

Paul D. McKinney, Chairman of the Board and Chief Executive Officer, commented, “Ring has worked to strengthen our balance sheet and improve the quality of assets supporting our Credit Facility. We value the ongoing support from our bank group and are pleased to have Bank of America as our new administrative agent. Despite oil and gas price volatility in 2025, our asset base enabled us to maintain a sufficient borrowing base, with only a slight reduction from last year. We continue to focus on generating free cash flow through cost reductions, divestitures of non-core assets, and acquiring high-margin, low-break-even assets, using excess cash to reduce debt and create value for stockholders across commodity price cycles.”

We further expanded our banking relationships by adding Citibank, N.A. to the syndicate which now includes Bank of America, N.A., Citizens Bank, N.A., KeyBanc National Association, Mizuho Bank, Ltd., Truist Bank, U.S. Bank National Association, Cathay Bank, First Horizon Bank, Amegy Bank and Goldman Sachs Lending Partners, LLC.

About Ring Energy, Inc.

Ring Energy, Inc. is an oil and gas exploration, development, and production company with current operations focused on the development of its Permian Basin assets. For additional information, please visit www.ringenergy.com.

Safe Harbor Statement

This release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements involve a wide variety of risks and uncertainties, and include, without limitation, statements with respect to the Company’s strategy and prospects, the Company’s efforts to manage commodity price volatility, and other areas of focus. Forward-looking statements are based on current expectations and subject to numerous assumptions and analyses made by Ring and its management considering their experience and perception of historical trends, current conditions and expected future developments, as well as other factors appropriate under the circumstances. However, whether actual results and developments will conform to expectations is subject to a number of material risks and uncertainties. Such statements are subject to certain risks and uncertainties which are disclosed in the Company’s reports filed with the Securities and Exchange Commission (“SEC”), including its Form 10-K for the fiscal year ended December 31, 2024, and its other SEC filings. Ring undertakes no obligation to revise or update publicly any forward-looking statements, except as required by law.

Contact Information

Al Petrie Advisors

Al Petrie, Senior Partner

Phone: 281-975-2146

Email: apetrie@ringenergy.com

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