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 securities laws. In Defeo v. IonQ, Inc., 2025 U.S. App. LEXIS 8216, ___ F.4th ___ (4th Cir. Apr. 8, 2025), the Court held that








