Nikkei rises as Japanese stocks gain on AI and semiconductors 3.14%

21Major indexes in Tokyo closed higher across the board on. The Nikkei225 index rose 3.14% to finish trading at 61,684.14. Buying concentrated in major AI- and semiconductor-related stocks.

The JPX Nikkei Index 400 index rose 1.73% to close at 34,875.18. Buying, centered on major technology stocks, drove the index higher. Buying was concentrated in semiconductor equipment stocks and some memory-related stocks.

The Topix index 1.64% higher, closing at 3,853.81. Strength in U.S. technology stocks the previous day influenced investor sentiment in Tokyo. News also emerged of strong earnings at a U.S. semiconductor company.

News that OpenAI is nearing an IPO boosted investor sentiment that day. SoftBank Group 19.84 rose by %6,039 yen to finish trading. A sharp rise in one stock increased volatility in the index.

SoftBank alone lifted the Nikkei index by 800 more than points. Semiconductor equipment stocks such as Tokyo Electron and Advantest rose. Expectations of expanding memory demand were reflected in some stocks.

Kioxia surged more than % at one point during the session. The company's market capitalization 15 exceeded trillion yen. Some rebound was observed in stocks that had faced heavy selling recently amid concerns about business conditions.30Some rebound was observed in stocks that had faced heavy selling recently amid concerns about business conditions.

Fujikura, a power infrastructure company, also rebounded after 6 trading days. Buying returned to some sectors. The market reacted sensitively to expectations of increased AI investment and movements in individual large-cap stocks.