Tokyo stocks fell on August 25, with the Nikkei 225 closing at 64,980.53, down 0.8%, as investors sold semiconductor and electronics shares ahead of Nvidia’s earnings. The broader TOPIX index outperformed, supported by financials and transport shares, highlighting how sharply the Nikkei is influenced by a narrow group of high-priced technology and AI-related components. Semiconductor and electronics names led the decline, reflecting caution before Nvidia’s May-July earnings, which investors see as the next major test of global AI demand.

Kioxia Holdings fell 2.8%, Advantest dropped 3.6% and Panasonic Holdings declined 4.0%, according to Dow Jones market data. Their weakness weighed on the Nikkei and reinforced the market’s sensitivity to the global semiconductor cycle. Kioxia remains one of Tokyo’s clearest gauges of confidence in AI servers, high-bandwidth memory and data-center demand. Advantest, one of the Nikkei’s most important AI-related components due to its large index weighting and direct exposure to advanced semiconductor demand, also remained under pressure. Panasonic’s fall reflected weakness in electronics and battery-related shares.

Tokyo Electron, SCREEN Holdings, Lasertec, Ibiden, Murata Manufacturing, Fujikura and Furukawa Electric remained closely watched as investors assessed whether the selloff would spread from chip-testing and memory into semiconductor equipment and data-center infrastructure. Soft Bank Group remained central to the Nikkei’s direction because of its large index weighting and its role as a proxy for global AI investment sentiment. The broader market’s relative resilience showed that investors were still willing to buy Japan outside the most crowded AI trades.