TOKYO KEIKI is trading at ¥6,020, down 5.20%, with no clear catalyst identified for October 20, 2026. - Searches found no fresh company announcement; the latest listed disclosure was dated October 6, and the next scheduled results are November 6. - Shares have swung sharply in recent sessions, including a 6.19% rebound on October 16. - Supplied broader-market context showed no significant same-direction index move; the reason for the decline remains unclear.