4199.T WonderPlanet (JPX) up 25.51% pre-market 20 Feb 2026: watch heavy volume

4199.T stock moved sharply higher in pre-market trade on 20 Feb 2026, trading at JPY 1,476.00 after a +25.51% intraday rise. The jump follows heavier-than-normal flows with volume at 325,500.00 shares versus a 50-day average of 185,308.00, signalling active repositioning among traders. This article examines the drivers behind the move, key financial metrics such as EPS -51.60 and PE -28.60, and what the move implies for short-term and medium-term investors on the JPX market in Japan.