News & Analysis as of

Market Manipulation

Vinson & Elkins LLP

When Short Sellers Attack

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A “short attack” is a campaign in which a short seller publishes a critical report about a target company in order to profit from the ensuing decline in the company’s share price....more

Foley Hoag LLP - White Collar Law &...

Securities Enforcement and Regulatory Developments from the SEC, CFTC, and PCAOB

This is the third in our 2026 Year in Preview series examining important trends in white collar law and investigations in the coming year. 2025 saw fundamental shifts in securities enforcement priorities in the first year of...more

A&O Shearman

Senior Individual Accountability For Market Announcements: The UK FCA Fines Former Carillion Finance Directors

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Two recent FCA fines demonstrate the FCA’s willingness to hold senior executives of listed companies to account, including for market disclosures. The FCA will rely on a low bar to hold them 'knowingly concerned', pursue...more

K&L Gates LLP

United States: Predicting the Future of Prediction Markets

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Prediction markets—once a niche for political mavens and crypto enthusiasts—are gaining traction as platforms become regulated entities and gamified tools attract a broader audience....more

ArentFox Schiff

The End of LIBOR: Hotel California Edition [Part VI]

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In an update earlier last year, we highlighted the ongoing legal developments in connection with key cases surrounding the London InterBank Offered Rate (LIBOR) manipulation scandal with respect to a pending United Kingdom...more

A&O Shearman

Hong Kong authorities escalate coordinated action on market misconduct, cyber risks and virtual asset fraud

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Hong Kong’s regulators are active, coordinated, and increasingly expectations‑driven. Businesses should be prepared for assertive use of statutory powers, higher standards on governance and documentation, and closer scrutiny...more

Akin Gump Strauss Hauer & Feld LLP

SEC Enforcement Action Targets Insider Trading in the Pharmaceutical Industry

On December 22, 2025, the U.S. Securities and Exchange Commission (SEC) filed a complaint against several defendants for their roles in market manipulation schemes involving two pharmaceutical companies, Olema...more

A&O Shearman

Seventh Circuit Affirms Dismissal Of Actions Claiming Market Manipulation Of Volatility Index

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On January 15, 2026, the United States Court of Appeals for the Seventh Circuit affirmed the dismissal of two actions brought by an investment advisor and an investment company asserting claims under the Commodity Exchange...more

Patterson Belknap Webb & Tyler LLP

Supreme Court to Clarify the SEC’s Disgorgement Powers

On January 9, 2026, the Supreme Court granted certiorari in Sripetch v. Securities & Exchange Commission, a case that could reshape the SEC’s authority to seek disgorgement—a central tool in securities enforcement....more

Cooley LLP

Nasdaq’s ‘Life-Changing Magic of Tidying Up’

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I don’t know about you, but the transition from one year to the next always feels like a good time to declutter. I’ve spent the past few weeks doing that, and now I’m focusing on not accumulating junk in the first place....more

Morgan Lewis

Securities Enforcement Roundup – December 2025

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In this issue of our monthly Securities Enforcement Roundup, we highlight top securities enforcement developments from December 2025. ...more

Morgan Lewis

Nasdaq Expands Discretionary Authority to Deny Initial Listings Based on Manipulation Risk

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Effective December 19, 2025, Nasdaq Rule IM-5101-3 introduces a risk-based framework permitting Nasdaq to deny initial listings based on perceived susceptibility to manipulation, including risks arising from third-party...more

ArentFox Schiff

Investigations Newsletter: Aerospace and Defense Contractor Resolves False Claims Act Allegations for $1.5 Million

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Aerospace and Defense Contractor Resolves False Claims Act Allegations for $1.5 Million - On January 5, the US Department of Justice (DOJ) announced that Teledyne RISI Inc., also known as Teledyne Electronic Safety Products,...more

A&O Shearman

EC Proposes MAR Amendments On Market Manipulation Indicators And Defines Scope Of New Order Data Exchange Mechanism

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The European Commission (EC) has launched a consultation on a draft act amending the Delegated Regulation (EU) 2016/522 under the Market Abuse Regulation (MAR). The amendment delivers on two separate actions. The first is the...more

Cooley LLP

What to Expect Now from the SEC’s Enforcement Division

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Here’s the intro from this entry on Cooley’s “Securities Litigation + Enforcement” blog penned by Luke Cadigan, Tejal Shah, Elizabeth Skey, Samanta Kirby and Bingxin Wu: “When Paul Atkins became the new chairman of the...more

Sheppard Mullin Richter & Hampton LLP

Proposal Granting NASDAQ Discretion To Deny Initial Listings Even If Listings Requirements Are Satisfied

On December 19, 2025, the U.S. Securities and Exchange Commission (“SEC”) published a notice to solicit comments on the proposal to provide Nasdaq with limited discretion to deny initial listings even when applicants meet all...more

Cooley LLP

SEC Public Companies Enforcement: FY 2025 Review and What to Expect in 2026

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When Paul Atkins became the new chairman of the Securities and Exchange Commission (SEC) in April 2025, the market expected enforcement actions against public companies to decrease....more

McGuireWoods LLP

FINRA’s 2026 Annual Regulatory Oversight Report: Same Priorities, New Focus on AI and Cybersecurity

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SERC’ling Up is your resource for staying ahead in today’s fast-evolving financial landscape. This newsletter delivers perspectives on the latest enforcement trends, regulatory updates and high-stakes developments affecting...more

DLA Piper

ASIC enforcement priorities for 2026: new priorities and new appetite for litigation

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ASIC has announced its enforcement priorities for 2026, with protecting small businesses, superannuation members, and improving market integrity remaining key objectives. However, new areas of focus have emerged:...more

Troutman Pepper Locke

Court Denies Injunction Seeking to Halt FERC Enforcement Proceedings

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On November 24, 2025, the U.S. District Court for the Middle District of North Carolina denied American Efficient LLC’s (American Efficient) preliminary injunction seeking to halt FERC’s civil enforcement proceedings for...more

Sullivan & Worcester

FINRA’s Small-Cap Sweep: Strategic Steps for Broker-Dealers

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It has been approximately one (1) month since the Financial Industry Regulatory Authority (FINRA) has launched a targeted review of broker-dealer activity in small-capitalization offerings involving foreign...more

Seward & Kissel LLP

FINRA Announces New Probe Targeting Small Capitalization Issuers with Ties to China

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On Thursday October 23, 2025, the Financial Industry Regulatory Authority (FINRA) announced a targeted sweep aimed at small-capitalized (“small-cap”) exchange-listed issuers1 with ties to business operations in foreign...more

Cooley LLP

SEC Intensifies Oversight of Foreign Companies that Participate in U.S. Capital Markets

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According to NERA, a leading consulting and expert firm, the share of foreign-based companies listed on U.S. stock exchanges has risen steadily in the last decade, from 17.4% in 2016 to 26.9% in 2025. As noted in our...more

Morrison & Foerster LLP

Top 5 SEC Enforcement Developments for September 2025

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Additionally, on September 26, 2025, SEC Chair Paul S. Atkins announced that the Commission will once again simultaneously evaluate settlement offers in SEC enforcement actions and requests for SEC waivers from automatic...more

Patomak Global Partners

Spoofing Enforcement Cases and Steps to Protect Your Firm

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As recently as September 2025, the financial industry saw a number of Securities and Exchange Commission (SEC), Commodity Futures Trading Commission (CFTC), and foreign regulators bring enforcement actions related to...more

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