RTTNewsยท2025-10-23 04:45Core Insights - Biotech stocks experienced significant gains in after-hours trading on October 22, 2023, primarily driven by Ventyx Biosciences' positive Phase 2 data, which led to an 88% surge in its stock price [1][2]. Company Performance - Ventyx Biosciences Inc. (VTYX) saw its shares increase by over 88% following the announcement of positive results from its Phase 2 study of VTX3232 for patients with obesity and cardiovascular risk factors [2]. - Medpace Holdings, Inc. (MEDP) reported better-than-expected Q3 results, resulting in an over 18% increase in its stock price during after-hours trading [2]. - Inhibrx Biosciences Inc. (INBX) shares rose over 10% to $34.98 after announcing a live webcast presentation to discuss topline results from the ChonDRAgon study [3]. - SCYNEXIS Inc. (SCYX) shares increased by over 11% to $0.87 [4]. - Acumen Pharmaceuticals Inc. (ABOS) experienced a notable rise of over 24.9% to $2.31 [4]. - Rani Therapeutics Holdings Inc. (RANI) shares were up over 9% at $2.64 [4]. - iBio Inc. (IBIO) shares increased by over 7% to $1.50 [4]. - Chemomab Therapeutics Ltd. (CMMB) shares rose over 7% to $3.32 [4]. - Nautilus Biotechnology Inc. (NAUT) shares increased by over 7% to $1.35 [4]. - ProQR Therapeutics N.V. (PRQR) shares were up over 7% at $2.92 [4]. - Tyra Biosciences Inc. (TYRA) shares increased by over 7% to $15.00 [4]. - Imunon Inc. (IMNN) shares rose over 4% to $4.90 [4].