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Japan's Nikkei tops 67,000 on AI boost; SoftBank becomes most valuable Japanese firm

SoftBank’s market value rose to 47.2 trillion yen as AI-related shares lifted the Nikkei and Toyota’s stock fell, officials said.

  • On Monday, Japan's Nikkei share average topped 67,000 for the first time, powered by AI-related shares, as SoftBank Group overtook Toyota Motor to become the country's most valuable company.
  • SoftBank's market capitalization swelled to around 47.2 trillion yen, bolstered by the company's pledge to build artificial intelligence infrastructure in France over five years.
  • Toyota shares slid 4.8 per cent, leaving its market value at around 45.7 trillion yen, while Murata Manufacturing surged 14.1 per cent as buying interest spread to AI-related stocks.
  • The broader Topix index sagged 0.2 per cent, reflecting a split between tech and the wider market, while Alliance partner Nissan declined 7.2 per cent and Mitsubishi Motors tumbled 9.1 per cent.
  • Uncertainty surrounding the Middle East continues to dampen sentiment, with strategist Maki Sawada warning, "we're in a situation where concerns about overvaluation are deep-rooted," as many Tokyo stocks faced selling pressure.
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Lean Right

SoftBank Group has become Japan’s largest listed company this Monday, after its stock prices have been revalued by 14.02 percent at the end of the session, boosting its capitalization to almost 49 billion yen (about 263 billion euros), surpassing that of the Toyota auto giant. The titles of the Japanese conglomerate led by Masayoshi Son have fired today’s session with a record new price at the close of 8,541 yen, which implies a revalorization i…

·Chile
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+2 Reposted by 2 other sources
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SoftBank overtakes Toyota as Japan's most valuable company

SoftBank stock climbed 14% on Monday, pushing its market cap above ¥48 trillion as AI euphoria reshapes Japan's corporate hierarchy

·New York, United States
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Lean Left

Since Monday morning, the most valuable Japanese company is not Toyota, but SoftBank, as we already wrote in this blog this morning. But while Toyota…

·Netherlands (Kingdom of the)
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The Japan Times broke the news in Japan on Monday, June 1, 2026.
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