Top Midday Gainers

02:39 PM EDT, 09/22/2026 (MT Newswires) -- Napo Pharmaceuticals, part of Jaguar Health (JAGX), said Tuesday the US Food and Drug Administration has granted a waiver of the fee associated with the Prescription Drug User Fee Act for Mytesi for fiscal 2027. Shares surged 350% as intraday trading volume catapulted to over 9.8 million from a daily average of about 29,000. Omeros (OMER) shares jumped 13% amid heavy trading after Cantor Fitzgerald upgraded the stock to overweight from neutral. Over 2.78 million shares traded intraday versus a daily average of roughly 1.94 million. Silvia (SVIA), formerly ProCap Financial, said its corporate name change is effective, and its common stock and warrants began trading on Tuesday on the Nasdaq Global Market. Shares climbed 15% as intraday trading volume surged to over 2.5 million. Price: 12.19, Change: +9.52, Percent Change: +356.37