6278.T Union Tool Co. (JPX) closes JPY 14,500 on 26 Feb 2026: top gainer insight

The 6278.T stock closed the JPX session on 26 Feb 2026 at JPY 14,500.00, marking it among the day’s top gainers. Volume ran 292,600 shares, above the 50-day average, showing strong buyer interest. The company’s 50-day average JPY 9,960.60 and 200-day average JPY 7,465.53 point to a sustained uptrend. We outline the price drivers, valuation, technical signals and Meyka AI forecast to explain why Union Tool Co. led gains and what to watch next.