Link-U 4446.T (JPX) +16.68% pre-mkt to JPY 1,364.00: high volume 21 Feb 2026

Pre-market action pushed 4446.T stock up 16.68% to JPY 1,364.00 on 21 Feb 2026 as volume surged to 2,367,900 shares, more than two times average. Traders are pricing fresh momentum into Link-U Inc. (4446.T) on JPX ahead of an earnings announcement scheduled for 16 Mar 2026. The jump is notable against the Technology sector YTD of +3.32%, and it reflects both heavy buying and short-covering into a stretched technical set up.