36Kr learned that the three major A-share indices opened lower collectively, with the Shanghai Composite Index down 0.34%, the Shenzhen Component Index down 0.54%, and the ChiNext Index down 0.72%; optical modules and chip concepts led the decline, with Haiguang Information, Cambridge Technology, and Tianfu Communication falling over 2%; lithium batteries and Hainan Free Trade Port concepts saw the largest gains, with HAIQI and Hainan Airport rising over 3%; new stock N Zhongcheng surged 194.32% on its first day of listing, while N Delijia rose 107.67%