Chinese shares closed down 0.90 percent on Thursday, with real estate and financial stocks leading the decline as investors collected profits after recent gains, dealers said. The Shanghai Composite Index, which covers A and B shares, was down 23.88 points at 2,639.89 on turnover of 121.5 billion yuan (17.8 billion dollars). 把金融英语站点收藏 The Shanghai A-share index fell 25.18 points, or 0.90 percent, to 2,771.19 on turnover of 121.2 billion yuan, while the Shenzhen A-share index rose 0.10 points, or 0.01 percent, to 927.05 on turnover of 65.7 billion yuan.