News & Analysis as of

Securities Fraud Loss Causation Appeals

Cooley LLP

Deciding Issue of First Impression, Fourth Circuit Holds Short-Seller Report Could Not Support Loss Causation – in Significant...

Cooley LLP on

On April 8, 2025, the US Court of Appeals for the Fourth Circuit affirmed the US District Court for the District of Maryland’s dismissal of all claims in Defeo et al. v. IonQ, Inc. et al., a securities class action asserting...more

A&O Shearman

Fourth Circuit Affirms District Court’s Denial Of Motion To Amend A Securities Fraud Class Action Against Quantum Computing...

A&O Shearman on

On April 8, 2025, the United States Court of Appeals for the Fourth Circuit affirmed the district court’s denial of a motion to amend a class action complaint against a quantum computing company (the “Company”) and the...more

Sheppard Mullin Richter & Hampton LLP

Fourth Circuit Rejects the Use of Short-Seller Report as a Basis for Satisfying Loss Causation Element in Securities Fraud Action

The United States Court of Appeals for the Fourth Circuit recently joined a growing consensus among federal appellate courts: short-seller reports, without more, rarely suffice to plead loss causation under the federal...more

Alston & Bird

The Fourth Circuit Joins the Ninth Circuit in Curtailing Plaintiffs’ Use of Short Seller Reports to Plead Federal Securities...

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Our Securities Litigation Group examines the Fourth Circuit decision to limit plaintiffs’ use of short seller reports to plead federal securities claims....more

Skadden, Arps, Slate, Meagher & Flom LLP

Inside the Courts – An Update From Skadden Securities Litigators - November 2019

This quarter’s issue includes summaries and associated court opinions of selected cases principally decided between August and October 2019. The cases address developing trends in the definition of a security, fiduciary...more

Skadden, Arps, Slate, Meagher & Flom LLP

Inside the Courts – An Update From Skadden Securities Litigators - March 2019

This quarter’s issue includes summaries and associated court opinions of selected cases principally decided between December 2018 and February 2019....more

A&O Shearman

Ninth Circuit Holds That Loss Causation Can Be Established Without Demonstrating That The Alleged Fraud Was Revealed To The Market...

A&O Shearman on

On January 31, 2018, the United States Court of Appeals for the Ninth Circuit affirmed in a per curiam decision a district court decision denying in part defendants’ motion for summary judgment on claims brought under...more

Akin Gump Strauss Hauer & Feld LLP

The 9th Circuit Rejects Securities Class Action Premised on Businesses’ Complaints About Yelp’s Practices

• The U.S. Court of Appeals for the 9th Circuit affirmed the dismissal of a securities fraud claim alleging that Yelp fraudulently inflated its stock price by misleading investors about its practices concerning the business...more

Proskauer - Corporate Defense and Disputes

Sixth Circuit Court of Appeals Accepts Materialization-of-Risk Standard for Loss Causation

On July 20, 2016, the U.S. Court of Appeals for the Sixth Circuit recognized the “materialization of the risk” standard as a means of proving loss causation in securities-fraud cases. The court’s decision in Ohio Public...more

Proskauer - Corporate Defense and Disputes

Seventh Circuit Reverses $2.46 Billion Judgment in Securities-Fraud Class Action

The Court of Appeals for the Seventh Circuit last week reversed a $2.46 billion judgment in a long-running securities-fraud class action against Household International and granted a new trial on limited issues. The opinion...more

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