The Nikkei average remained range-bound, with uncertainty over the situation in the Middle East capping gains. Meanwhile, gains in U.S. AI stocks and SoftBank Group's rise in tandem supported the market.
The Nikkei Stock Average traded in positive territory, opening with a rebound at ¥66,128.59, up ¥647.32 from the previous day, as of 10:17 a.m. Market participants said uncertainty over the situation in the Middle East could make further gains difficult.
The stock rose sharply following reports that OpenAI in the United States is expected to increase revenue again this fiscal year. SoftBank Group, which has invested in the company, also rose in tandem, providing a major boost to the Nikkei average.
Meanwhile, half of Prime Market stocks declined, and the Tokyo Stock Price Index (TOPIX) posted a smaller gain than the Nikkei average.
After the open, the Nikkei average began the morning session with a rebound of ¥647.32 from the previous day, and buying led by semiconductor-related stocks emerged first.