Market Updates
Japan's Indexes Drop 3% On Monday as Crude Oil Prices Crossed $115
Akira Ito
30 Mar, 2026
Tokyo
Escalating tensions in the Middle East and surging oil prices continued to weigh on stocks in Japan and Asia.
The Nikkei 225 Stock Average decreased 2.8%, and the broader Topix declined 2.9%, and the yen weakened to 159.74 against the U.S. dollar.
The steady slide in the yen raised the prospect of verbal intervention from the finance ministry, and Japan is set to release crude oil from the emergency reserve to counter energy supply shock because of the war on Iran.
Tensions in the Middle East escalated after Iran-aligned Houthi rebels in Yemen launched missile attacks targeting energy infrastructure in Israel.
Benchmark indexes in Japan erased gains of the first two months of 2026 as the first quarter approached the closure.
The Topix index increased 1.9%, and the Nikkei 225 Stock Average decreased a fraction amid growing speculation that the Bank of Japan is more likely to raise rates next month.
Japan Indexes and Stocks
The Nikkei 225 Stock Average decreased 2.8% to 51,885.85, and the broader Topix declined 2.9% to 3,542.34.
Stocks traded volatile as several stocks traded ex-dividend on Monday with the fiscal year ending in March.
Nippon Yusen, Mitsui O.S.K. Lines, and Kawasaki Kisen Kaisha declined around 2%.
Technology and AI-linked stocks led decliners in Tokyo on Monday, and SoftBank Group, Tokyo Electron, and Advantest Corp. fell between 6% and 4%.
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