Market Overview - The three major A-share indices showed mixed results on the 15th, with the Shanghai Composite Index down by 0.26%, the Shenzhen Component Index up by 0.63%, and the ChiNext Index up by 1.52% [2] - The total trading volume in the Shanghai and Shenzhen markets was 23,031 billion yuan, a decrease of 2,452 billion yuan compared to the previous day [2] Sector Performance - Over 3,300 stocks in the market experienced declines [2] - The gaming, pork, film and television, automotive parts, and CRO concept stocks saw the largest gains [2] - Conversely, the precious metals, military equipment, and copper cable high-speed connection sectors faced the most significant declines [2] Notable Stocks - The automotive parts sector had multiple stocks surge, with companies like Shanzhi Gaoke, Zhejiang Sebao, and Wanxiang Qianchao hitting the daily limit [2] - The gaming sector experienced high volatility, with Xinghui Entertainment reaching the daily limit and Perfect World also closing strong [2] - Pork stocks saw afternoon gains, with Aonong Biological and Delisi hitting the daily limit, while Tiankang Biological, Lihua Shares, and Longda Meishi showed notable increases [2] Sector Movements - Semiconductor, battery, and computing power sectors exhibited fluctuations during the trading session [2] - On the downside, the precious metals sector saw multiple stocks adjust, with Xiaocheng Technology dropping over 5% at the close [2] - The military equipment sector also faced downward pressure, with China Satellite, Aerospace Hongtu, and LIGONG Navigation showing significant declines [2]