美股异动丨台积电涨3%创新高 市值超1.85万亿美元

Core Insights - TSMC (TSM.US) has been included in the 2026 Gelonghui "Global Vision" Top Ten Core Assets list, with its stock price rising by 3% to reach a historic high of $359.59, resulting in a market capitalization exceeding $1.85 trillion [1] Company Developments - TSMC has notified the Japanese government that it will upgrade the main production process of its second wafer fab under its Japanese subsidiary, JASM, from the originally planned 6nm to 3nm, marking the first domestic production capability for 3nm technology in Japan [1] - The total investment for this upgrade has increased to $17 billion [1] - The Japanese government is reportedly considering providing additional support for this new investment plan [1]