HOUSTON, Oct. 28, 2024 /PRNewswire/ -- On Sunday, Christian Attar ("CA"), with co-counsel Freedman Normand Friedland, filed a market manipulation case on behalf of a firm client, Quantum Biopharma Ltd. (Nasdaq: QNTM) (CSE: QNTM), against CIBC World Markets, Inc. ("CIBC"), RBC Dominion Securities Inc. ("RBC"), and others. In the complaint, Quantum Biopharma alleges that the defendants manipulated the price of its stock more than a thousand times over a four-year period, and that the defendants' manipulative ...