According to Jinshi Data on March 4, in the morning session of March 4, the three major indices opened lower and then fluctuated upward, with most individual stocks rising, and the humanoid robot concept making a comeback. As of the midday close, the Shanghai Composite Index fell 0.01%, the Shenzhen Component Index fell 0.15%, and the ChiNext Index fell 0.94%. On the market, the humanoid robot concept surged, with stocks like HAGG and ZHAOWEI hitting the daily limit; the defense and military industry concept strengthened, with stocks like Xinxing Equipment also hitting the daily limit; AI medical, automotive, and shipbuilding sectors saw significant gains; the solid-state battery concept corrected, with Sanxiang New Materials hitting the daily limit; lithium mining, real estate, liquor, and coal sectors saw the largest declines. The total market turnover for the half day approached 900 billion yuan, with about 3,300 individual stocks rising