After-hours top gainer: Asahi Rubber (5162.T) JPY 925.00 +5.11% on 20 Mar 2026: momentum

Asahi Rubber Inc. (5162.T) led after-hours gains on 20 Mar 2026, closing at JPY 925.00, up 5.11% on a volume spike to 69,800 shares. The move made 5162.T stock the session’s top gainer on the JPX in Japan. Traders cited a sharp intraday pick-up from JPY 876.00 open and a day high of JPY 930.00, with relative volume near 8.80. The price sits above the 50-day average of JPY 730.50, signalling short-term buying strength.