4596.T stock falls 42.30% to JPY 176.00 at close Feb 16, 2026 JPX: high volume flags trader caution

4596.T stock plunged 42.30% to JPY 176.00 at the close on 16 Feb 2026 on the JPX market and the session is marked Market Closed. Trading volume jumped to 44,610,900.00 shares against an average volume of 5,549,215.00, signalling a large sell-off. The move followed the company’s recent earnings release and ongoing clinical-readout risk for its lead drug, and traders should treat price action as volatile and news-driven.