沪指盘中触及3680.47点，创2021年12月14日以来新高

Core Viewpoint - The A-share market experienced a collective rise in the three major stock indices, with the Shanghai Composite Index reaching a new high since December 14, 2021, indicating positive market momentum [1] Group 1 - The three major stock indices opened higher on August 13, with significant upward movement observed shortly after the market opened [1] - The Shanghai Composite Index hit a peak of 3680.47 points, surpassing the previous high of 3674.4 points recorded on October 8, 2024 [1] - As of the report, the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index recorded gains of 0.34%, 0.66%, and 1.15% respectively, closing at 3678.31 points, 11426.57 points, and 2437.12 points [1]