A-share CPO concept stocks rose again, USISH hit the daily limit in the afternoon, Yitoa Intelligent Control reached a 20% limit up, MTC previously hit the daily limit, ETERN, Zhongji Innolight, VGT, and Lingyun Optics followed suit

The three major A-share indices collectively closed lower, with the semiconductor concept leading the decline

36Kr learned that the three major A-share indices collectively closed lower, with the Shanghai Composite Index down 0.55%, the Shenzhen Component Index down 1.1%, and the ChiNext Index down 1.77%; optical modules and semiconductor concepts led the decline, with Moer Thread, Cambridge Technology, and AFR falling over 6%, and VGT dropping over 4%; the aerospace and military industry sector strengthened, with Aerospace Electronics and Aerospace Mechatronics hitting the daily limit; the dairy and insurance sectors saw significant gains, with Huangshi Group hitting the daily limit and China Ping An rising nearly 5%

The three major A-share indices opened lower collectively, with the communication equipment sector declining

36Kr learned that the three major indices of A-shares opened lower collectively, with the Shanghai Composite Index down 0.62%, the Shenzhen Component Index down 0.81%, and the ChiNext Index down 1.16%; the communication equipment, electronic components, and computer hardware sectors saw the largest declines, with Jiangbolong and Dekeli dropping over 5%, and Dongshan Precision and VGT falling over 4%; the packaging, gas, and liquor stocks led the gains, with GZYJPCO hitting the daily limit, JGJC rising over 4%, and Shuifa Gas increasing over 2%

VGT's transaction volume reached 20 billion yuan, currently up over 10%

Major adjustment of A-share index! Involves VGT, Zhongji Innolight, and others

Multiple important indices in the A-share market will undergo significant adjustments on December 12, including the SSE 50, STAR 50, Shenzhen Component Index, and ChiNext Index. The constituent stocks of the SSE 50 Index will include SAIC Motor Corporation and exclude Poly Developments. The SSE 180, SSE 380, STAR 50, and other indices will also have changes in their constituent stocks. The adjustment plan is published by the Shanghai Stock Exchange, Shenzhen Stock Exchange, and China Securities Index Co., Ltd., and the adjustments will take effect after the market closes on December 12