Down 13% intraday: Chemipro Kasei 4960.T JPX on 27 Feb 2026, check JPY 660

The 4960.T stock plunged intraday after the market opened, trading at JPY 670.00 on 27 Feb 2026, down 12.99% (‑JPY 100.00) from the previous close of JPY 770.00. Volume is elevated at 333,400.00 shares versus a 30‑day average of 1,054,366.00, signalling stronger selling pressure today. The drop has pushed price close to the session low JPY 660.00, testing short‑term support after a strong YTD run. We examine drivers, valuation, technicals and a Meyka AI grade and forecast to frame trade and risk points for Japan’s JPX market.