收评：创业板指跌1.96% 贵金属板块表现活跃

Market Overview - The A-share market experienced fluctuations, with the Shanghai Composite Index closing at 4138.76 points, down 0.64%, and a total trading volume of 1481.57 billion yuan [1] - The Shenzhen Component Index closed at 14169.40 points, down 1.37%, with a trading volume of 2169.41 billion yuan [1] - The ChiNext Index closed at 3321.89 points, down 1.96%, with a trading volume of 1077.72 billion yuan [1] Sector Performance Top Performing Sectors - The healthcare services sector led with a gain of 4.44%, with a total trading volume of 221.74 million hands and a net inflow of 5.77 billion yuan [2] - The oil and gas extraction and services sector increased by 3.13%, with a trading volume of 209.29 million hands and a net inflow of 1.35 billion yuan [2] - The insurance sector rose by 2.17%, with a trading volume of 35.05 million hands and a net inflow of 1.71 billion yuan [2] Underperforming Sectors - The military equipment sector saw a decline of 6.43%, with a trading volume of 459.51 million hands and a net outflow of 1.99 billion yuan [2] - The military electronics sector decreased by 6.06%, with a trading volume of 383.70 million hands and a net outflow of 2.25 billion yuan [2] - The communication equipment sector fell by 3.69%, with a trading volume of 417.67 million hands and a net outflow of 1.77 billion yuan [2]