Market Pulse: Tilray Leads After-Hours Rally As Biotech Peers Surge

Group 1: Market Overview - Several high-volatility healthcare and cannabis stocks experienced sharp after-hours gains despite a quiet news day, driven by recent catalysts and technical momentum [1] Group 2: Tilray Brands, Inc. (TLRY) - Tilray's stock rose by 11.36% after hours, reaching $13.53, following a one-for-ten reverse stock split effective December 1, and had already increased by 44.13% during the day [2] Group 3: Valneva SE (VALN) - Valneva's shares increased by 7.22% after hours to $9.31, recovering from a 3.45% decline earlier in the day, supported by positive data from its Phase 2 chikungunya vaccine trial [3] Group 4: Chemomab Therapeutics Ltd. (CMMB) - Chemomab's stock rose by 7.66% after hours to $2.39, reacting to results from its Phase 2 SPRING trial published in the American Journal of Gastroenterology [4] Group 5: Genenta Science S.p.A. (GNTA) - Genenta's shares climbed by 12.06% after hours to $1.58, rebounding from a 14.5% drop, following updated data from its TEM-GBM study in glioblastoma patients [5] Group 6: Kazia Therapeutics Limited (KZIA) - Kazia's stock increased by 10.93% after hours to $11.57, recovering from a 20% decline, after presenting new evidence for its PI3K/mTOR inhibitor at the 2025 SABCS [6] Group 7: Traws Pharma, Inc. (TRAW) - Traws Pharma's shares edged up by 8.81% after hours to $2.54, maintaining active trading momentum despite no new developments [7]