36Kr learned that the three major A-share indices closed collectively higher at noon, with the Shanghai Composite Index rising 0.42%, the Shenzhen Component Index rising 1.3%, and the ChiNext Index rising 2.09%; the electronic components, communication equipment, and electrical grid sectors led the gains, with Hongda Electronics rising over 8%, T&S, Eoptolink, and Zhongheng Electronics rising over 4%; the gas, aviation, and liquor sectors weakened, with Changchun Gas falling over 6%, Air China and Luzhou Laojiao falling over 3%