Name: What caused the stock price of a Toronto-based biopharmaceutical company to crash?
Uploaded: 2025-11-25T11:17:45Z
Duration: 3 min 31 s
Description: W5's Jon Woodward reports on the collapse of the share price of Toronto-based Quantum BioPharma and the $700M legal battle it sparked.

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What caused the stock price of a Toronto-based biopharmaceutical company to crash?

W5's Jon Woodward reports on the collapse of the share price of Toronto-based Quantum BioPharma and the $700M legal battle it sparked.

November 24, 2025 at 5:09PM EST