Biotech and healthcare names were among the notable movers in Wednesday's after-hours trading session, with several small-cap companies posting strong gains on the back of corporate updates and investor momentum.Plus Therapeutics, Inc. (PSTV) surged 8.40% to close at $0.31 after announcing the pricing of its underwritten public offering. The company is issuing 39,473,684 units, each consisting of one share of common stock and one warrant, at $0.38 per unit. Gross proceeds are expected to total approximatel ...