收评：沪指窄幅震荡微跌0.07%，沪深京三市成交额缩量超2000亿元

Market Overview - The three major A-share indices collectively declined, with the Shanghai Composite Index down 0.07%, the Shenzhen Component down 0.62%, and the ChiNext Index down 0.79%, while the Beijing 50 Index increased by 0.87% [1] - The total trading volume in the Shanghai and Shenzhen markets was 1.6903 trillion yuan, a decrease of 202.4 billion yuan compared to the previous day [1] - Over 2,900 stocks in the market experienced declines [1] Sector Performance - The sectors that saw the most significant gains included oil and gas extraction and services, engineering machinery, wind power equipment, real estate, banking, and influenza-related stocks [1] - Conversely, the sectors that faced the largest declines were the Hainan Free Trade Zone, graphite electrodes, gold concepts, coal mining and processing, batteries, gas, and rare earth permanent magnets [1] Notable Stocks - The shale gas and engineering machinery sectors continued to show activity, with companies like ShenKong Co. and Petrochemical Machinery achieving three consecutive trading limits, while Shandong Molong, Petrochemical Oil Service, and Construction Machinery achieved two consecutive limits [1] - The banking sector saw a resurgence, with Agricultural Bank of China hitting a new high after 14 consecutive days of gains, and the banking index rising for 10 consecutive days [1] - The real estate sector performed positively, with Yingxin Development achieving three consecutive limits and Guangming Real Estate achieving two consecutive limits [1] Declining Sectors - The precious metals sector collectively declined due to a significant drop in international gold prices, with companies like Hunan Silver, Xiaocheng Technology, and Western Gold experiencing notable declines [1] - The Hainan Free Trade Zone sector also performed poorly, with companies such as Haima Automobile, Hainan Airlines Group, and Haixia Shares showing weakness [1]