GILD.SW stock up 73.91% to CHF114.78 on SIX: drivers and outlook

We saw GILD.SW stock surge +73.91% to CHF114.78 at the close on SIX on 19 Mar 2026. The move followed an unusually large single-day price change of CHF48.78 on extremely light volume of 33.00 shares. Traders priced new information quickly. We focus on catalysts, valuation, Meyka AI grading, and a realistic price outlook for investors and traders.