天天基金网·2025-10-27 08:30Market Overview - The A-share market experienced a significant rise on October 27, with the Shanghai Composite Index approaching the 4000-point mark, closing up 1.18%, while the Shenzhen Component Index rose by 1.51% and the ChiNext Index increased by 1.98% [3][12] - A total of 3361 stocks rose, with 63 hitting the daily limit, while 1862 stocks declined [4][5] Sector Performance - The storage chip sector saw a collective surge, with stocks like Zhaoyi Innovation and Demingli hitting the daily limit and reaching new highs [5][6] - The controllable nuclear fusion concept stocks were also active, with Dongfang Tantalum and Antai Technology experiencing significant gains [6][7] - CPO and computing hardware stocks maintained strong performance, with Huylv Ecological achieving a new high after four consecutive days of increases [7][8] International Market Influence - The Japanese and South Korean stock markets both rose over 2%, with the Nikkei 225 index surpassing the psychological barrier of 50,000 points, and the Seoul index breaking through 4000 points for the first time, marking a nearly 70% increase year-to-date [9][12] - Positive signals from Sino-U.S. trade negotiations contributed to the market's upward momentum, as both sides reached preliminary consensus on several key trade issues [12][13] - The expectation of a potential interest rate cut by the Federal Reserve also fueled market optimism, following the release of the U.S. Consumer Price Index (CPI) which came in below market expectations [14][15]