CHF17.32 pre-market: Gerresheimer AG (GXI.SW, SIX) top loser Feb 2026 outlook

GXI.SW stock plunged to CHF17.32 in pre-market trading, down -73.42% after a CHF47.83 one-day drop on SIX. The move follows a market reaction ahead of Gerresheimer AG’s earnings timing and heavy re‑rating versus its 52‑week high. Volume was muted in pre-market but the gap from the previous close of CHF65.15 is the primary driver. We use Meyka AI’s real-time signal and sector context to break down valuation, catalysts and near-term risks for investors on 26 Feb 2026.