午评：两市低开高走沪指涨0.45% 半导体板块强势

Market Overview - The three major indices in the A-share market opened lower but rose during the morning session, with the Shanghai Composite Index closing at 3893.95 points, up 0.45% [1] - The Shenzhen Component Index closed at 13319.70 points, up 0.79%, and the ChiNext Index closed at 3162.90 points, up 0.49% [1] Sector Performance - The top-performing sectors included Automotive Services and Others (up 3.86%), Semiconductors (up 3.63%), Rubber Products (up 2.72%), and Components (up 2.72%) [2] - The sectors with the largest declines were Precious Metals (down 2.31%), Insurance (down 1.45%), Industrial Metals (down 1.45%), and Securities (down 1.44%) [2] Trading Volume and Net Inflow - The Automotive Services sector had a total trading volume of 536.37 million hands and a net inflow of 67.49 billion [2] - The Semiconductor sector recorded a total trading volume of 2599.29 million hands with a net inflow of 175.04 billion [2] - In contrast, the Insurance sector had a total trading volume of 156.42 million hands and a net outflow of 9.32 billion [2]