PGHN.SW Partners Group (SIX) -6.58% 04 Feb 2026: after-hours drop tests CHF900

PGHN.SW stock fell to CHF 977.60 in after-hours trade on 04 Feb 2026, a -6.58% move that pushed volume to 170,376 shares, more than double the average. The drop followed a high open at CHF 1,060.50 and a session high of CHF 1,068.50, signalling intraday profit-taking. Investors now watch the CHF 900 support zone and the March earnings date. This piece examines drivers, valuation, technicals and Meyka AI forecasts to explain the decline and what traders should monitor next.