A股存储芯片爆发 创业板指半日涨2.92%

Core Viewpoint - The market experienced a rebound on October 21, with the ChiNext Index rising over 3% during intraday trading, indicating a positive sentiment among investors [1] Market Performance - Nearly 4,600 stocks in the market saw an increase, reflecting broad-based buying interest [1] - The half-day trading volume for the Shanghai and Shenzhen stock exchanges reached 1.15 trillion yuan, a decrease of 11.5 billion yuan compared to the previous trading day [1] - By the midday close, the Shanghai Composite Index rose by 1.2%, the Shenzhen Component Index increased by 1.97%, and the ChiNext Index was up by 2.92% [1] Sector Highlights - The deep earth technology concept continued to strengthen, with companies like ShenKong Co. and PetroChina Machinery both achieving two consecutive trading limit increases [1] - The computing hardware sector maintained its strong performance, with the Apple supply chain showing active movement [1] - The storage chip concept saw a significant surge, indicating robust demand in this area [1]