Siga, Peers Rise on Optimism Over Monkeypox Therapies
- Chimerix, Tonix Pharmaceuticals also surge on Monday
- Volume of Siga shares traded rises above three-month average
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Shares of Siga Technologies Inc. and other companies making vaccines and antiviral products tied to monkeypox were in focus on Monday, after the World Health Organization declared the outbreak a public health emergency of international concern.
Siga’s shares jumped 29% to close at its highest level on record, while Chimerix Inc. and Tonix Pharmaceuticals Holding Corp. also rose. Retail attention has turned back to Siga, with the firm drawing interest on social-media platform Stocktwits over the weekend and becoming among the top-traded names Monday on Fidelity’s platform.