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Motion to Dismiss › Loss Causation › Short Selling

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

Morrison & Foerster LLP on

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

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

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