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Nikkei Slides as Oil Tops $100 and BOJ Hikes Loom

By Markets Desk · 2026-09-10 · 1 min read
A silhouette of a cargo ship on a calm sea horizon
Illustration: Tradingbird

Japanese equities fell Thursday as crude oil breached $100 per barrel and Bank of Japan rate hike expectations intensified.

The Nikkei 225 index dropped 0.8% to close at 64,597.46 during the morning session. Global markets reacted sharply as crude oil prices crossed the $100-per-barrel threshold. This move followed escalating military tensions in the Middle East. Investors priced in higher inflation risks and tighter monetary policy expectations.

Escalating conflict in the Strait of Hormuz drove the energy spike. Iran reported attacks on ten ships near the strait on Wednesday. These strikes followed the sinking of five Iranian oil tankers by the United States. The exchange marked the largest wave of shipping attacks since the war began six months ago. Supply chain disruptions remained a primary concern for market participants.

BOJ Tightening Expectations Rise

Bank of Japan board member Kazuyuki Masu warned of rapid rate hikes. He stated the central bank may act quickly if it lags behind inflation trends. This comment stoked speculation of an accelerated tightening cycle next week. Global bond yields rose in response to these expectations. Higher yields put direct pressure on equity valuations.

Sector Performance Diverges

Nintendo fell 5.8%, ranking among the Nikkei’s largest losers. Fujikura and Furukawa Electric also declined sharply. These tech and cable firms retraced gains from the previous day. Conversely, oil and coal stocks gained 1.1%. Securities and banking sectors led the market with gains of 2.1% and 1.9% respectively. Higher interest rates provided a tailwind for financial institutions.

Investors Await Key Data

Market participants adopted a cautious stance ahead of upcoming releases. U.S. consumer price data is scheduled for Friday. The Federal Reserve will announce its policy decision on Wednesday. The Bank of Japan concludes its meeting next week. Nomura Securities strategist Wataru Akiyama noted that strong earnings in AI and semiconductor sectors remain intact. He suggested potential buying opportunities on dips, but warned of limited upside without new catalysts. According to GN markets/policy (en-US), the combination of high oil and rising rates continues to drag down the broader market.

Based on reporting by GN markets/policy (en-US), compiled by the Tradingbird desk.

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