重回2万亿！沪指创近4年新高，创业板大涨3.62％

Core Insights - The A-share market has shown strong performance, with the Shanghai Composite Index rising by 0.48% to 3683.46 points, marking a nearly four-year high [1] - The Shenzhen Component Index increased by 1.76%, and the ChiNext Index surged by 3.62%, both reaching new highs for the year [1] - The total market turnover reached 2.18 trillion yuan, an increase of 270 billion yuan compared to the previous trading day, surpassing 2 trillion yuan for the first time in 114 trading days [1] Sector Performance - Leading sectors included optical modules (CPO), copper industry, optical chips, and industrial gases, which saw significant gains [1] - AI hardware stocks continued to perform well, with companies like Industrial Fulian reaching historical highs [1] - Brokerage stocks experienced a brief surge, with Guosheng Financial Holdings achieving two consecutive trading limit ups [1] - Conversely, sectors such as coal, banking, ports, and logistics faced declines [1] - Over 2700 stocks in the market recorded gains [1]