Theriva Biologics (TOVX) is making noise in the field of immuno-oncology, supported by a promising pipeline. The stock is up 79% in the past few days on the news the company’s lead clinical-stage ... MarketWatch provides the latest stock market, financial and business news.

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stock news by MarketWatch. View real-time stock prices and stock quotes for a full financial overview. Stock Market News, Oct. 22, 2025: Dow drops over 300 points to end three-day winning streak, Nasdaq and S&P 500 slip on report that U.S. may escalate trade war with China; Tesla and IBM report ... Stock Market News, Oct.

22, 2025: Dow drops over 300 points to end ... Stock Market News, Oct. 29, 2025: Dow ends lower, but Nasdaq scores fresh record after Fed cuts rates for second time this year and ends shrinking of balance sheet; earnings from Meta, Microsoft ... Stock Market News, Oct.