[afternoon comment: gem index fell more than 1% to hit a new low AI concept stocks are active against the trend] the market fluctuated and divided in early trading, Prev index rose slightly, and the gem index continued to hit a new low for the year due to the sharp fall in the Ningde era. On the market, AI concept stocks are active again, medical information concept stocks lead the rise, Jiuyuan Yinhai, Saili medical limit; CPO concept stocks rise again, Dongtian micro 20 CM limit, Huagong science and technology, Mingpu optical magnetic limit; Nvidia concept stocks are active, Hongbo shares rose to a new high, Oshikang, billion information limit. Tourism stocks opened sharply higher, Jiuhua Tourism, Sante Cableway rose by the limit. Mixed reality stocks rebounded, Qingyue Technology 20CM rose by the daily limit, and Jepter rose nearly 10%. In terms of decline, new energy track stocks such as lithium batteries were collectively adjusted, with German Nano falling by more than 8% and Ningde era by nearly 6%. On the whole, stocks rose more than fell less, and more than 2500 stocks in the two cities rose. Today's turnover on the Shanghai and Shenzhen stock markets is 502.3 billion, a decrease of 48.2 billion compared with the previous trading day. In terms of plates, medical information, CPO, tourism, Nvidia concept and other plates led the rise, while automotive vehicles, sodium ion batteries, integrated die-casting, lithium mines and other plates led the decline. By the close of trading in the morning, the Prev index was up 0.02%, the Shenzhen Composite Index was down 0.37%, and the gem Index was down 1.32%. In terms of northbound funds, Shanghai shares had a net inflow of 2.193 billion in early morning trading, while Shenzhen Stock Exchange had a net inflow of 721 million in morning trading.