收评：沪指跌0.7% 非金属材料板块逆势走强

Market Overview - The three major indices in the A-share market experienced declines, with the Shanghai Composite Index closing at 3873.32 points, down 0.70% [1] - The Shenzhen Component Index closed at 13147.39 points, down 1.27% [1] - The ChiNext Index closed at 3163.68 points, down 1.41% [1] - Total trading volume reached 7643.50 billion yuan for the Shanghai market and 10927.62 billion yuan for the Shenzhen market [1] Sector Performance - Non-metallic materials, wind power equipment, and new metal materials sectors showed the highest gains, with increases of 1.57%, 1.14%, and 0.56% respectively [2] - The non-metallic materials sector had a total trading volume of 95.22 million hands and a total transaction amount of 29.88 billion yuan [2] - The wind power equipment sector recorded a trading volume of 771.08 million hands and a transaction amount of 132.10 billion yuan [2] - The new metal materials sector had a trading volume of 646.82 million hands and a transaction amount of 110.12 billion yuan [2] Declining Sectors - Real estate, retail, and clothing & home textiles sectors faced the largest declines, with drops of 3.16%, 2.98%, and 2.98% respectively [2] - The real estate sector had a trading volume of 5283.50 million hands and a transaction amount of 248.84 billion yuan [2] - The retail sector recorded a trading volume of 6223.14 million hands and a transaction amount of 401.76 billion yuan [2] - The clothing & home textiles sector had a trading volume of 1283.22 million hands and a transaction amount of 100.10 billion yuan [2]