( April 10, 2025, 2:41 PM EDT) -- RICHMOND, Va. — A panel of the Fourth Circuit U.S. Court of Appeals affirmed a district court’s rejection of investors’ motion to amend their putative class complaint alleging that a quantum computing company and executives made false statements about its products, leading to a stock value drop once the truth was revealed, finding that the investors had not adequately pleaded loss causation as to their security fraud claims....