Japan Stock of the Day | Kabutaro & Friends

On October 29, 2026, the most talked-about Japanese stock online was Advantest <6857>.
Background: On the 28th, the company announced its results for the first half (April-September) of the fiscal year ending March 2027. Net sales rose 60.5% year on year to 845.2 billion yen, operating profit rose 96.5% to 456.8 billion yen, and net profit rose 116.8% to 368.1 billion yen, all record highs for a first half. Saying demand for testers used for high-performance AI semiconductors exceeded expectations, the company raised its full-year operating profit forecast from 846.0 billion yen to 967.0 billion yen and its net profit forecast from 660.0 billion yen to 741.5 billion yen. It also decided on a share buyback of up to 280.0 billion yen and raised its interim dividend to 49 yen from 29 yen a year earlier. On the 29th, the stock rose as high as 38,120 yen during the session and closed at 37,030 yen, up 2,100 yen (6.01%) from the previous day. Turnover was about 929 billion yen, and the stock led the rise in the Nikkei Stock Average.