盘中突破3740点，沪指创近十年新高

Market Performance - The three major stock indices in China collectively strengthened, with the Shanghai Composite Index breaking the previous high of 3731.69 points, reaching its highest level since August 21, 2015 [1] - As of the close, the Shanghai Composite Index rose by 0.85% to 3728.03 points, the Shenzhen Component Index increased by 1.73% to 11835.57 points, and the ChiNext Index surged by 2.84% to 2606.20 points [1] - Over 4000 stocks in the market experienced gains, with significant performances from sectors such as brokerage and financial technology, as well as AI hardware stocks [1] Market Trends - The current A-share market trend is distinct from the 2015 market, which relied heavily on leveraged funds; the ongoing market is supported by improved capital market positioning, active policy guidance, and continuous institutional improvements [2] - Analysts predict a gradual bull market trend with reduced volatility, supported by a systemic decline in domestic risk-free interest rates and an influx of overseas dollar liquidity [2] - The total market capitalization of A-shares surpassed 100 trillion yuan for the first time, marking a historical milestone [2] Trading Activity - The trading volume in the Shanghai and Shenzhen markets reached a new high for the year, with a total trading volume of 2.76 trillion yuan, exceeding 2 trillion yuan for four consecutive trading days [2] - The margin trading balance has also seen significant growth, surpassing 2 trillion yuan for the first time in ten years, reaching a new high of 206.26 billion yuan on August 15 [2] - Since the beginning of August, the cumulative increase in margin trading balance has exceeded 70 billion yuan [2]