Closing summary: the three major stock indexes showed mixed changes, the non-ferrous metal sector collectively surged, and China Aluminum Industry hit the daily limit to reach a 16-year high.

The three major stock indices rose and fell unevenly, with the ChiNext Index falling back in the afternoon and turning green again. In terms of sectors, the non-ferrous metal sector continued to strengthen, with electrolytic aluminum continuing to rise and Aluminum Corporation of China hitting a 16-year high; oil and gas stocks were active, with China National Offshore Oil Corporation rising over 6% to a new high; the coal sector continued to rebound, with Shanxi Coking Coal hitting the limit up; on the downside, the photovoltaic equipment sector was weak and volatile, with Opple Lighting falling over 10%; the innovative pharmaceutical sector fluctuated lower, with Beta Pharma falling over 10%; the AI application sector continued to decline, with Star Ring Technology and Zhitex New Materials leading the decline. Overall, the number of declining stocks outnumbered rising stocks in the two markets, with over 3600 stocks falling. At the close, the Shanghai Composite Index was at 4151.24 points, up 0.27%; the Shenzhen Component Index was at 14342.89 points, up 0.09%; and the ChiNext Index was at 3323.56 points, down 0.57%. On the market, precious metals, oil and gas exploration and services, and gold concepts led the gains; while smallpox concept, photovoltaic equipment, and medical services sectors led the losses.