ABVX ▼ -2.9% - ABIVAX Société Anonyme $ABVX - Abivax Presents Business Updates and First Half 2026 Financial Results Abivax shares fell 2.9% on the release of the company's first-half 2026 financial results and business updates. The decline suggests investors reacted negatively to the results or guidance presented, though the specific financial details driving the move were not disclosed in the available headline. 21-SEP-2026 04:05 PM ET