A股，成交额创年内新高

Market Overview - The A-share market experienced a high and then a pullback, with the Shanghai Composite Index reaching a nearly 10-year high and the North Star 50 hitting an all-time high [1] - The Shenzhen Composite Index and the ChiNext Index both surpassed their high points from October 8 of the previous year [1] - The total trading volume for the Shanghai and Shenzhen markets was 2.76 trillion, an increase of 519.6 billion compared to the previous trading day, marking a new high for the year [1][6] Sector Performance - Market hotspots were concentrated in AI hardware and large financial sectors, with over 4,000 stocks rising [1] - Financial stocks, including brokerage and fintech, saw significant gains, with companies like Zhihui and Tonghuashun reaching new historical highs [1] - AI hardware stocks, particularly liquid cooling servers, experienced a strong surge, with over 20 stocks hitting the daily limit [1] - Rare earth permanent magnet stocks were also active, with companies like Northern Rare Earth hitting the daily limit [1][2] Index Performance - By the end of the trading day, the Shanghai Composite Index rose by 0.85%, the Shenzhen Composite Index increased by 1.73%, and the ChiNext Index climbed by 2.84% [3]