Japan Market Daily — 2026-06-02
Japan's Nikkei 225 surged past 67,000 for the first time, driven by AI enthusiasm and a historic market reshuffle as SoftBank dethroned Toyota as the nation's most valuable company. The rally reflected broader momentum in semiconductor and technology stocks amid renewed optimism over global AI investment.
Japan Market Daily — 2026-06-02
Market Snapshot

| Index | Close | Change | % Change |
|---|---|---|---|
| Nikkei 225 | 67,000+ | +901.78 | +1.36% |
| TOPIX | Data pending | — | — |
| USD/JPY | Yen strengthening | — | — |
| 10Y JGB Yield | Data pending | — | — |
What Moved the Market
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Historic Market Reshuffle: SoftBank Group's market cap reached approximately 48 trillion yen, surpassing Toyota Motor's ~46 trillion yen for the first time in 22 years. The shift underscores investor preference for AI-exposed businesses over traditional manufacturing.
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SoftBank AI Catalysts: Investors are betting on windfall gains from pending IPOs of key portfolio companies, including OpenAI and SB Energy, positioning the company as a major beneficiary of the global AI infrastructure build-out.
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Semiconductor Demand Surge: Chip-related stocks accelerated higher as AI deployment continues to drive demand for semiconductors and data center infrastructure across Asia.
Corporate Headlines
SoftBank Becomes Japan's Valuation Leader
SoftBank Group overtook Toyota Motor to become Japan's most valuable company, with its market capitalization reaching 48 trillion yen. The company's shares have rallied more than 90% year-to-date, fueled by investor optimism about AI investment returns and expected gains from upcoming IPOs of portfolio firms including OpenAI and SB Energy.

Toyota Pressured by Recalls and Certification Issues
Toyota Motor shares declined 3.79% on June 1, weighed down by ongoing shipment halts due to certification issues and recalls affecting models including the Tundra, marking a setback for Japan's traditional manufacturing champion.
BOJ & Macro Watch
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BOJ Rate Path Confirmed: The Bank of Japan held rates steady at 0.75% in May but signaled a June rate hike by talking up risks of inflation overshoot, maintaining its gradual normalization trajectory despite yen volatility.
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Yen Intervention Active: Japan's Ministry of Finance has stepped up yen support, intervening in currency markets for the first time in two years as of late April to shore up the weakening currency against persistent US-Japan yield differentials.
What to Watch Tomorrow
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Nikkei Technical Levels: Watch for consolidation near the 67,000 milestone as profit-taking may emerge after the rapid rally; support levels and potential resistance will define next trading sessions.
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SoftBank Earnings Guidance: Investors will monitor any updates on SoftBank's AI portfolio valuations and IPO timing announcements that could sustain momentum in the tech sector.
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Global AI Sentiment: Ongoing developments in US AI policy and semiconductor demand outlook will continue to drive Japanese tech stocks and the broader market direction.
Data as of 2 June 2026, 13:00 JST
Note: Real-time closing figures for TOPIX and 10Y JGB yield pending from official exchange sources.
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