36Kr learned that the three major indices of A-shares closed mixed at noon, with the Shanghai Composite Index down 0.08%, the Shenzhen Component Index down 0.04%, and the ChiNext Index up 0.92%. The biotechnology, semiconductor, and real estate sectors led the gains, with Sanwen Gene rising over 21%, WuXi AppTec rising over 6%, Cambricon rising over 3%, and 5i5j rising over 2%; the agriculture, chemical fiber, and precious metals sectors weakened, with Shennong Group down over 6%, Youfu Co., Ltd. down over 3%, and Western Gold down over 2%