Japan's Nikkei share average declined as stocks tied to artificial intelligence came under mounting pressure, with inflation concerns and geopolitical uncertainties in the Middle East adding to the strain on the sector.

The weakness in the benchmark index, which tracks major Japanese companies listed on the Tokyo Stock Exchange, was not uniform across the technology sector. Chip-making firms such as Tokyo Electron, one of the world's largest suppliers of semiconductor manufacturing equipment, reported gains, while other AI-related companies struggled. That split highlights how sentiment around AI can move different parts of the supply chain differently, even within the same trading session.

Attention is also turning to Japan's monetary policy outlook, with anticipation building around potential interest rate hikes from the Bank of Japan, which has been gradually normalizing policy after years of ultra-loose monetary settings. For investors, that adds another layer to an already crowded backdrop for Japanese equities, where policy expectations, inflation signals and sector-specific developments are all feeding into trading.

Investors are further awaiting Nvidia's forthcoming earnings report, which is seen as a pivotal event for the technology sector. Nvidia, the US chip designer whose processors power much of the global boom in artificial intelligence, is closely watched by markets worldwide, and its quarterly results are frequently viewed as a bellwether for demand across the AI supply chain. The report is likely to be watched not only for Nvidia's own numbers, but also for any clues about demand trends that could influence sentiment across chipmakers, equipment suppliers and other companies exposed to the AI buildout.

Market data referenced in the report is as of 22 Aug 2026, 01:30 AM IST.

Source: Economic Times Markets