RTTNews·2026-01-09 03:12Core Insights - Several biotechnology and pharmaceutical companies experienced significant stock price increases in after-hours trading, driven by corporate updates, clinical milestones, and acquisition speculation [1] Company Updates - China SXT Pharmaceuticals, Inc. (SXTC) saw a 13.6% increase to $1.42, following the announcement of its Strategic Artificial Intelligence Insights Initiative aimed at integrating AI-driven analytics into product planning and market intelligence [2] - Revolution Medicines, Inc. (RVMD) surged 15.1% to $123.65 after reports of Merck's acquisition talks and the FDA granting Breakthrough Therapy Designation to its drug zoldonrasib for treating specific lung cancer patients [3] - KalVista Pharmaceuticals, Inc. (KALV) advanced 14.0% to $18.04 after reporting preliminary unaudited global net product revenue results for Q4 and the full year ended December 31, 2025, along with other operational indicators [4] - Zentalis Pharmaceuticals, Inc. (ZNTL) rose 8.1% to $3.07, likely due to investor reactions to a previous corporate update outlining key milestones for its drug azenosertib [5] - BriaCell Therapeutics Corp. (BCTX) gained 7.3% to $7.81 without new announcements, indicating momentum-driven trading [6] - Sagimet Biosciences Inc. (SGMT) increased 7.7% to $6.00 after announcing plans to present clinical trial results at an upcoming conference, highlighting anti-fibrotic effects observed in patients [7]