涨超1%！沪指突破3738点，刷新近十年新高

Core Viewpoint - The A-share market experienced a significant rise on August 18, with the Shanghai Composite Index reaching a nearly ten-year high, indicating strong investor sentiment and market performance [1]. Group 1 - The three major A-share indices opened higher and continued to rise throughout the day [1]. - The Shanghai Composite Index increased by over 1%, peaking at 3738 points [1]. - The closing gains for the indices were as follows: Shanghai Composite Index up 1.06%, Shenzhen Component Index up 2%, and ChiNext Index up 3.29% [1].