午评：创业板指半日跌近1%，科创综指涨0.34%，军工、半导体板块逆势走强

Market Overview - The market experienced a turbulent adjustment on February 13, with all three major indices declining, led by the ChiNext Index [1] - Trading volume significantly shrank, with a half-day turnover of 1.2 trillion yuan, a decrease of 125.6 billion yuan compared to the previous trading day [1] - Over 2,600 stocks in the market saw declines, indicating a broad market downturn [1] Sector Performance - The military industry sector showed strong performance, with stocks like Yaxing Anchor Chain hitting the daily limit [1] - The semiconductor sector was active, with concepts like photolithography machines and photolithography resins experiencing rapid gains; Guofeng New Materials achieved two consecutive daily limits in four days [1] - Semiconductor equipment concepts continued to strengthen, with Shenghui Integration hitting the daily limit and reaching a historical high [1] - The paper-making sector also showed resilience, with Wuzhou Special Paper hitting the daily limit [1] - Conversely, the port and shipping sector faced collective declines, with stocks like COSCO Shipping Energy and China Merchants Energy experiencing significant drops [1] Index Performance - At the close, the Shanghai Composite Index fell by 0.7%, the Shenzhen Component Index decreased by 0.67%, and the ChiNext Index dropped by 0.96% [1] - The Sci-Tech Innovation Index rose by 0.34%, while the North Star 50 Index increased by 0.86% [1]