收评：沪指跌0.07% 保险板块涨幅居前

Core Points - The A-share market experienced a collective decline, with the Shanghai Composite Index closing at 4000.14 points, down 0.07%, and a total trading volume of 840.47 billion yuan [1] - The Shenzhen Component Index closed at 13240.62 points, down 0.36%, with a trading volume of 1104.57 billion yuan [1] - The ChiNext Index closed at 3122.03 points, down 0.39%, with a trading volume of 487.83 billion yuan [1] Industry Performance - The insurance sector led the gains with an increase of 2.70%, totaling a trading volume of 368.86 million hands and a transaction value of 14.52 billion yuan [2] - The pharmaceutical retail sector rose by 2.58%, with a trading volume of 699.34 million hands and a transaction value of 10.03 billion yuan [2] - The oil and gas extraction and services sector increased by 2.53%, with a trading volume of 1558.39 million hands and a transaction value of 9.44 billion yuan [2] Declining Sectors - The photovoltaic equipment sector saw the largest decline at -3.51%, with a trading volume of 5351.29 million hands and a transaction value of 92.81 billion yuan [2] - The wind power equipment sector decreased by 2.13%, with a trading volume of 1006.21 million hands and a transaction value of 12.44 billion yuan [2] - The new metal materials sector fell by 2.03%, with a trading volume of 424.90 million hands and a transaction value of 9.38 billion yuan [2]