Japan’s Nikkei hits record high as LDP leadership race starts

Japan’s Nikkei hits record high as LDP leadership race starts
/ Cullen Cedric - Unsplash
By bno - Tokyo Office September 23, 2025

Japan’s benchmark Nikkei index closed at a historic high on September 22, supported by expectations of economic stimulus as the contest for leadership of the ruling Liberal Democratic Party (LDP) formally got underway, according to The Mainichi.

The Nikkei 225 gained 447.85 points, or 0.99%, to end at 45,493.66, while the broader Topix climbed 15.49 points, or 0.49%, to 3,163.17. Electric appliance makers, oil and coal product firms, and precision instrument stocks led gains on the Prime Market.

The foreign exchange market remained steady, with the dollar trading around JPY148 in Tokyo, little changed ahead of the October 4 party leadership vote that will determine Shigeru Ishiba’s successor as prime minister. By evening, the dollar stood at JPY148.11, while the euro was quoted at $1.1747 and JPY173.99.

The 10-year Japanese government bond yield briefly touched 1.665%, its highest since 2008, before closing at 1.655%, amid speculation of an early Bank of Japan rate hike after two policymakers opposed holding rates steady last week.

Investor sentiment was also buoyed by record highs on Wall Street and optimism over Apple’s new iPhone launch. Analysts noted hopes that the next LDP leader will push through fiscal expansion, though potential tax cuts and rising long-term interest rates remain in focus.

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