36Kr learned that the three major indices of A-shares collectively closed higher, with the Shanghai Composite Index rising 0.69% to return to 3,900 points, the Shenzhen Component Index rising 1.47%, and the ChiNext Index rising 2.23%; the Hainan Free Trade Port concept led the gains, with China Duty Free Group, HAIQI, HNSS, and other stocks hitting the daily limit; the semiconductor and optical module concepts strengthened, with Piotech rising over 10%, and Zhongji Xuchuang and Dongshan Precision rising over 8%; the SPD and ice and snow tourism concepts saw significant declines, with Huaren Health falling over 9%, HeFu China dropping nearly 9%, and Iceberg Cold and Hot falling over 2%