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News  ›  GlobeNewswire Inc.

World Renowned Law Firm Grant & Eisenhofer Files Class Action Lawsuit Against Canadian Banks CIBC and RBC Alleging Illegal Stock Market Manipulation of Quantum BioPharma Shares

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World Renowned Law Firm Grant & Eisenhofer Files Class Action Lawsuit Against Canadian Banks CIBC and RBC Alleging Illegal Stock Market Manipulation of Quantum BioPharma Shares

Law firm Grant & Eisenhofer has filed a class action lawsuit alleging that Canadian banks CIBC and RBC engaged in illegal stock market manipulation of Quantum BioPharma shares between January 2021 and October 2025. Quantum BioPharma intends to seek appointment as lead plaintiff to protect shareholders. The case has garnered media attention from CTV News' investigative program W5.

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Bank is named as defendant in a major class action lawsuit alleging illegal stock market manipulation, which poses significant legal and reputational risks.