On January 17, the A-share market witnessed a volatile session marked by an initial surge followed by a retreat, yet the three key indices managed to close with modest gains. The total trading volume on the Shanghai and Shenzhen stock exchanges amounted to 1.14 trillion yuan, a decline from the previous trading day. The chip sector shone brightly, with more than 10 chip stocks surging to their daily price limits. Additionally, PCB-related stocks saw significant gains, including Jin'an Guoji, which also hit its daily limit. Stocks related to the pet economy remained active, with Zhongchong Co., Ltd. reaching its daily price ceiling. Conversely, Xiaohongshu-themed stocks experienced adjustments, with Jiayun Technology dropping over 10%.

In sectoral performance, semiconductors, PCB, phosphorus chemicals, and e-cigarettes led the way upwards, while Xiaohongshu-related stocks, retail, culture and media, and duty-free sectors saw the sharpest declines. Specifically, the Shanghai Composite Index inched up 0.18%, the Shenzhen Component Index gained 0.6%, and the ChiNext Index closed 0.78% higher.