China's A-share market opened lower and weakened into the midsession. At midday the Shanghai Composite fell 0.93%, the Shenzhen Composite Index fell 2.55%, the ChiNext Index fell 3.63% and the STAR 50 Index fell over 4%. Combined turnover on Shanghai and Shenzhen was 986.7 bln yuan in the first half-day, down 26.9 bln yuan from the prior session. More than 4,700 stocks were down. Banks bucked the market decline: Industrial and Commercial Bank of China and China Construction Bank hit fresh highs

China's A-share market opened lower and weakened into the midsession. At midday the Shanghai Composite fell 0.93%, the Shenzhen Composite Index fell 2.55%, the ChiNext Index fell 3.63% and the STAR 50 Index fell over 4%. Combined turnover on Shanghai and Shenzhen was 986.7 bln yuan in the first half-day, down 26.9 bln yuan from the prior session. More than 4,700 stocks were down. Banks bucked the market decline: Industrial and Commercial Bank of China and China Construction Bank hit fresh highs and the Big Four banks' combined market value topped 10 trln yuan; regional lenders such as Qingdao Bank and Chengdu Bank were among top gainers. Space-computing names were active, with several stocks including Shanghai Hugong hitting daily limits. Coal, telecoms and oil & gas led sector gains. Communication equipment stocks corrected—most fell; Tianfu Communication dropped about 19%. Components, semiconductors and CPO-linked stocks were among the largest decliners.