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Japan Market September 15, 2026 at 4:01 PM

Nikkei Falls 1% as Middle East Tensions Lift Oil, Tech Stocks Rally

The Nikkei 225 declined 0.99% to ¥40,984 on Tuesday as escalating Middle East tensions pushed oil prices higher and weighed on Japanese equities, though technology stocks provided some support with notable gains across the sector.

Yen Weakness Fails to Lift Exporters

The USD/JPY pair held near ¥154.39, keeping the yen at relatively weak levels that typically benefit Japanese exporters. However, this currency tailwind was overshadowed by broader market concerns, with traditional export heavyweights like Toyota Motor (-0.32%) and Fanuc (-1.75%) posting declines. The weak yen’s usual boost to exporter competitiveness was insufficient to offset risk-off sentiment driven by geopolitical developments.

Middle East Crisis Weighs on Risk Appetite

Escalating tensions in the Middle East dominated market sentiment as Houthis struck Saudi targets anew while talks over Strait of Hormuz access stalled. Reuters reported that Hormuz traffic has dwindled following intensified attacks, raising concerns about global energy supply chains. Saudi civil defense authorities declared the danger had passed in six cities including Yanbu, but the broader regional instability kept investors cautious. Rising oil prices added to inflationary pressures ahead of key central bank meetings, with both the Federal Reserve and Bank of Japan set to convene in the coming weeks.

Technology Sector Shines Amid Broader Weakness

Despite the overall market decline, technology stocks emerged as clear winners. Kyocera surged 5.92% to ¥3,673.5, leading the gainers, while gaming giant Nintendo advanced 2.40% to ¥2,088.76. Sony Group climbed 2.38% to ¥3,866.26, and SoftBank Group rose 2.07% to ¥3,420.7. The tech rally appeared driven by sector-specific momentum rather than broader market factors, with investors potentially positioning ahead of earnings season. Pharmaceutical heavyweight Takeda also gained 1.86%, rounding out the top performers. Conversely, financial stocks struggled, with Mizuho Financial down 1.05% and Sumitomo Mitsui Financial declining 0.18%.

BOJ Meeting Looms Amid Global Uncertainty

With the Bank of Japan’s next policy meeting scheduled for April 28, 2026, market participants are closely monitoring Governor Ueda’s tone amid ongoing US-China tariff uncertainty. Current expectations favor a hold at the present rate, though any hawkish surprise could provide yen support while a dovish stance might further weaken the currency. The central bank faces a delicate balancing act between supporting economic growth and managing inflation expectations as global tensions create additional complexity for monetary policy decisions.

Tuesday’s session highlighted the ongoing tension between Japan’s technology sector strength and broader market headwinds from geopolitical risks. While the weak yen typically supports Japanese equities, rising oil prices and Middle East uncertainty created a challenging environment that even currency tailwinds couldn’t overcome. NISA investors may find opportunities in the resilient tech sector, though the broader market outlook remains clouded by international developments.

This article is for informational purposes only and does not constitute investment advice. Past performance does not guarantee future results. Please consult with a qualified financial advisor before making investment decisions.