36Kr learned that the three major indices of A-shares collectively closed lower, with the Shanghai Composite Index down 0.64%, the Shenzhen Component Index down 1.37%, and the ChiNext Index down 1.96%; A-shares saw increased trading volume throughout the day, with a total transaction amount of 3.65 trillion yuan, setting a new historical high; the aerospace and military industry, communication equipment, and semiconductor sectors led the decline, with Aerospace Huanyu down over 18%, Everbright down over 11%, and TFC down over 6%; the biotechnology, precious metals, and cultural media sectors saw the largest gains, with AHB up over 13%, Hunan Silver up over 7%, and COL up over 5%