Jin Rong Shi Bao·2025-08-18 10:34Market Performance - A-shares indices collectively rose on August 18, with the Shanghai Composite Index up 0.85% to 3728.03 points, Shenzhen Component Index up 1.73% to 11835.57 points, and ChiNext Index up 2.84% to 2606.20 points [1] - The North Stock 50 Index surged 6.79% to 1576.63 points, with over 4000 stocks in the market rising [1] Historical Data - The Shanghai Composite Index briefly surpassed its previous high of 3731.69 points set on February 18, 2021, marking the highest level since August 20, 2015 [5] - The North Stock 50 Index reached a historical high, while both the Shenzhen Component Index and ChiNext Index exceeded their highs from October 8 of the previous year [5] Trading Volume - The total trading volume in the Shanghai and Shenzhen markets reached approximately 27,641.63 billion yuan, an increase of about 5,195.51 billion yuan compared to the previous trading day, setting a new annual high [5] Sector Performance - Sectors such as communication equipment, software, and cultural media saw significant gains, while concept stocks like stock trading software and rare earths performed well [5] - The brokerage sector continued its strong performance, with stocks like Changcheng Securities hitting the daily limit, and others like Hualin Securities and Xiangcai Shares rising over 6% [5] Margin Trading - The margin trading scale has increased, with a cumulative growth of over 70 billion yuan since the beginning of August, marking a return of the margin balance to over 2 trillion yuan for the first time in ten years [5]