Nikkei 225 & OpenAI
16 shared events · Importance 4 · Last updated Aug 12, 2026
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Business
Nikkei 225: The Nikkei 225 index reached a historic high, surpassing 67,000, largely powered by the surge in AI-related stocks, particularly SoftBank Group's performance.
OpenAI: SoftBank Group's investment in OpenAI contributed to its net profit quadrupling, and news of OpenAI's potential US listing further boosted SoftBank's shares.
Jun 01, 2026 · 32 articles
Business
Nikkei 225: Fell over 5% in a single day, driven by losses in tech and AI-related stocks.
OpenAI: Filed for IPO; reportedly considering delaying IPO to next year.
Apr 20, 2026 · 344 articles
International
Nikkei 225: The Nikkei 225>>> index is trading sharply lower, extending previous losses due to negative cues from Wall Street and concerns over the Middle East conflict and rising crude oil prices.
OpenAI: OpenAI has filed confidential SEC paperwork for an IPO, indicating a potential Wall Street debut and significant growth in the AI sector.
May 18, 2026 · 316 articles
Business
Nikkei 225: The Nikkei 225 index jumped, lifted by gains for tech-related shares and positive economic data from Japan, indicating a strong performance in the Japanese market.
OpenAI: OpenAI>>> confidentially filed for a U.S. initial public offering, signaling a move towards public markets and potentially impacting the tech sector.
May 20, 2026 · 72 articles
unfocused
Nikkei 225: Japan's Nikkei 225 index topped 68,000 for the first time, driven by the global AI-driven chip stock surge and positive U.S. market performance.
OpenAI: OpenAI is a rival to Anthropic in the race to public markets, though Anthropic is currently ahead.
May 19, 2026 · 199 articles
Business
Nikkei 225: Rose on AI stock gains and yen intervention.
OpenAI: Microsoft's AI partner, benefiting from AI adoption.
Jul 14, 2026 · 280 articles
International
Nikkei 225: The Nikkei 225 fell 1.9%, dragged by tech stocks and risk-off sentiment.
OpenAI: OpenAI is being sued by Apple for trade secrets theft, a legal development in the AI industry.
Apr 20, 2026 · 304 articles
Domestic
Nikkei 225: Tokyo's Nikkei 225 closed 0.2% higher, reversing earlier losses and contributing to the mixed performance of Asian markets.
OpenAI: OpenAI is an investment of SoftBank Group, and its valuation concerns are indirectly impacting SoftBank's stock performance.
Jun 29, 2026 · 6 articles
Business
Nikkei 225: Nikkei 225 dropped about 4%, impacted by the semiconductor downturn.
OpenAI: OpenAI is involved in a $250 billion data center project with Nvidia's financial guarantee, and faces a trade-secrets lawsuit from Apple. These developments add legal and financial dimensions to the AI race.
Jul 08, 2026 · 107 articles
Business
Nikkei 225: The Nikkei 225 was up 0.9%, indicating a positive performance in Japan's stock market.
OpenAI: SoftBank Group invests in OpenAI, indirectly linking OpenAI to the positive market sentiment around AI investments.
Jun 29, 2026 · 8 articles
Business
Nikkei 225: The Nikkei 225 index sank on the back of souring tech sentiment following Apple Inc.'s price increases.
OpenAI: OpenAI is among the major tech companies expanding AI infrastructure, contributing to the surge in demand for memory chips.
Jun 17, 2026 · 199 articles
International
Nikkei 225: Nikkei rose, but Japan faces energy cost pressures from war.
OpenAI: SoftBank is a key investor in OpenAI.
Apr 20, 2026 · 709 articles
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