盘中暴涨1000点，日本股市突发

Market Performance - The Nikkei 225 index has reached a historic high, surpassing 52,000 points for the first time, with an intraday increase of over 1,000 points and a rise of more than 2% [1][2] - The Tokyo Stock Exchange index also hit a record high, with semiconductor, consumer, and electric power sectors leading the gains [1] Company Highlights - Semiconductor design company Socionext saw its stock hit the limit up, with a gain of 16.72%. The company is set to hold an earnings meeting on October 31, where it is expected to announce mid-term performance up to September 30, 2025 [2] - Socionext has begun developing 3nm ADAS and customized SoCs for autonomous driving, with production expected to start in 2026, utilizing TSMC's N3A process [2] - Other notable stock performances include Renesas Electronics and Hitachi, both rising over 9%, while Kansai Electric Power increased over 6% [2] Economic Indicators - Tokyo's core consumer price index (CPI) for October rose by 2.8% year-on-year, exceeding the Bank of Japan's 2% inflation target for over three years [2][3] - The CPI increase was higher than the market expectation of 2.6% and up from 2.5% in September [2] Monetary Policy - The Bank of Japan decided to maintain the policy interest rate at approximately 0.5%, marking the sixth consecutive meeting without a rate change [5] - The decision was made despite predictions of a potential rate hike to curb unexpected inflation, with a vote of 7 in favor and 2 against maintaining the current rate [5] - Bank of Japan Governor Kazuo Ueda indicated that the central bank will continue to monitor overseas economic conditions and their impact on Japan [5][6]