In the morning session, Tokyo stocks were led lower by selling of technology-related stocks, with the Nikkei trading about ¥530 below the previous day and TOPIX slightly higher. Technology stocks fell in line with the US market after a British newspaper reported that OpenAI's sales outlook was below expectations.
In morning trading, the Nikkei closed at 68,512.30, down ¥529.81 from the previous day, for a second straight decline. TOPIX was trading at 4,092.50, up 1.04 points. Across all stocks, 20% fell and 79% rose.
At 10:15, the Nikkei extended its decline, briefly falling more than ¥800. Technology stocks fell broadly after reports circulated in the British press that OpenAI's annualised revenue was below its previous forecast. SoftBank Group fell more than 5%, weighing on the Nikkei by about ¥250.
The Nikkei opened at 68,648.50, down ¥393.61 from the previous day, and declines continued in Tokyo, particularly among technology-related stocks. Reports indicated that buying on a rebound had entered some stocks following the declines through the previous day.