2 1 Shi Ji Jing Ji Bao Dao·2025-08-18 10:49Market Overview - On August 18, the A-share market reached a historic moment with the Shanghai Composite Index opening high and breaking the previous high of 3731.69 points from February 2021, hitting an intraday high of 3745.94 points, the highest in nearly ten years since August 2015 [1] - The Shanghai Composite Index closed at 3728.03 points, up 0.85% [1] - The total market capitalization of A-share companies surpassed 100 trillion yuan for the first time, marking a historical milestone [1] Trading Activity - The North Star 50 Index rose over 4%, reaching a historical high [1] - The total trading volume in the Shanghai and Shenzhen markets reached 2.76 trillion yuan, an increase of 519.6 billion yuan compared to the previous trading day, setting a new annual high [1] - As of August 18, there were 358 stocks in the A-share market that had doubled in value this year, excluding newly listed stocks [1] Sector Performance - The technology growth stocks led the market rally, with significant contributions from the machinery and pharmaceutical sectors, each having over 50 stocks that doubled in value [2] - The automotive sector followed closely with 29 stocks doubling in value, while the computer, defense, and light manufacturing sectors also had over 10 stocks that doubled [1][2] Notable Stocks - The stock with the highest increase was Upway New Materials (603556.SH), which surged by 1368.35%, becoming the only "tenfold stock" this year, linked to the robotics concept [2] - Other notable stocks with significant increases included Shuyou Shen (300204.SZ) and Changcheng Military Industry (601606.SH), both exceeding 400% growth, indicating strong market interest in the biopharmaceutical, defense, and electronics sectors [2]