A-shares close: ChiNext index rises more than 5%, AI hardware stocks such as PCB and CPO collectively strengthen According to Caixin News Agency, the market rebounded collectively, with the ChiNext Index rising more than 5% and the Shenzhen Component Index rising more than 3.5%. The transaction volume of the Shanghai and Shenzhen stock markets was 3.03 trillion yuan, a decrease of 183.8 billion yuan from the previous trading day. On the market, hot topics quickly rotated, with over 3900 individual stocks rising and over a hundred stocks hitting the limit up. From the perspective of sectors, the AI hardware direction has collectively exploded, with PCB concepts continuing to rise, Shengyi Technology rebounding and hitting a new historical high, Yihao New Materials' 20CM second consecutive board, Hongchang Electronics' 5-day 3-board, Huazheng New Materials, Baoding Technology and other stocks hitting the limit up. The CPO concept is strengthening, with Juguang Technology hitting 2 boards in 3 days, and Taichengguang, Guangxun Technology, and Kechuan Technology hitting the daily limit up. The MLCC concept is once again active, with Double Star New Materials selling 4 boards in 8 days and Torch Electronics selling 2 boards in 3 days. The major financial sector experienced intraday fluctuations and rose, with Bank of China Securities holding two consecutive sessions and Nanhua Futures and Ruida Futures hitting the limit up.