A股收评：4000点拉锯战！三大指数齐跌，全市场4100股下跌，锂矿股逆市走高

Market Overview - The A-share major indices experienced a decline today, with the Shanghai Composite Index falling below 4000 points in the afternoon, closing at 3986 points, down 0.73% [1] - The Shenzhen Component Index dropped 1.16%, while the ChiNext Index fell 1.84% [1] - The total market turnover reached 2.46 trillion yuan, an increase of 137.6 billion yuan compared to the previous trading day, with 4100 stocks declining [1] Sector Performance - The lithium mining sector continued its upward trend from the previous day, with stocks like Jiangte Electric and Yongxing Materials hitting the daily limit [1] - The blade battery sector saw a surge, with Penghui Energy reaching a 20% limit up [1] - The cultivated diamond sector was active, with World hitting the daily limit [1] - The steel sector also rose, with Anyang Steel reaching the daily limit [1] - Other sectors with notable gains included titanium dioxide, fluorine chemicals, and quantum technology [1] Declining Sectors - The CPO concept saw a significant drop, with Tianfu Communication falling over 11% [1] - The superconducting sector declined, led by Woer Nuclear Material [1] - The laser radar sector weakened, with Tengjing Technology dropping over 11% [1] - Other sectors with notable declines included MLCC, carbon-based materials, composite current collectors, power equipment, gaming, and lithography machines [1] Top Gainers and Fund Flow - The shipping sector led the gainers with an increase of 1.98% [2] - The steel sector followed with a gain of 1.24% in net capital inflow [2] - Office supplies and engineering machinery sectors also showed positive performance, with increases of 0.79% and 0.71% respectively [2]