News & Analysis as of

Securities Fraud Short Selling Loss Causation

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

Morrison & Foerster LLP

Securities Fraud Claims Based on Short Reports

Is a report by a short seller followed by a stock decline enough to plead securities fraud? This month, the Fourth Circuit considered this issue. In Defeo v. IonQ, Inc., a group of investors sued IonQ, a developer of quantum...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

Alston & Bird

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

Alston & Bird on

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

Cadwalader, Wickersham & Taft LLP

2016 Year In Review: Securities Litigation And Regulation

2016 was an active year in securities litigation. In the first half of 2016 alone, plaintiffs filed 119 new federal class action securities cases. It was also a busy year for SEC enforcement proceedings, with a record 868...more

5 Results
 / 
View per page
Page: of 1

"My best business intelligence, in one easy email…"

Your first step to building a free, personalized, morning email brief covering pertinent authors and topics on JD Supra:
*By using the service, you signify your acceptance of JD Supra's Privacy Policy.
- hide
- hide