Core Insights - Biotech and healthcare stocks experienced significant movements in after-hours trading, driven by corporate updates and investor anticipation [1] Company Updates - Butterfly Network, Inc. (BFLY) shares increased by 6.04% to $2.81 after a 14.22% rise to $2.65 at market close, following the announcement of CEO Joseph DeVivo and Interim CFO Megan Carlson's participation in the 8th Annual Evercore Healthcare Conference [2] - Citius Pharmaceuticals Inc. (CTXR) saw a 7.90% increase to $1.23 after a 15.15% rally to $1.14, attributed to a deeper collaboration with Verix for the commercialization of LYMPHIR, an FDA-approved immunotherapy expected to launch in Q4 2025 [3] - ProQR Therapeutics N.V. (PRQR) rose 6.80% to $2.20 after a flat close at $2.06, with no specific news indicating that the movement may be due to investor sentiment [4] - Perrigo Company plc (PRGO) advanced 3.97% to $13.14, building on a 3.10% gain at the close, reflecting steady investor interest despite no new announcements [4] - Tempest Therapeutics, Inc. (TPST) added 4.86% to $3.67 after reversing a decline, following the announcement of plans to acquire CAR-T programs from Factor Bioscience, expected to close in early 2026 [5] - Iterum Therapeutics plc (ITRM) rose 2.77% to $0.3969 after a 4.38% gain at the close, with no new updates released [6] - Processa Pharmaceuticals, Inc. (PCSA) edged up 1.86% to $0.26 despite a steep decline at the close, with no news issued [6]