"Prev-2.9% retreated to 2,800 points! "Wednesday morning, Shanghai and Shenzhen stock markets opened sharply lower, the Shanghai composite index opened more than 2%. Prev slowly lifted in early morning trading, gem in the theme unit, led by continued upward, medical equipment, telematics, genetic sequencing of subjects are doing quite well, turned red for the gem but themes relay for not following, spiked down quickly after the two cities. As at the midday close, the Shanghai composite index at 2817.21 points, down 2.9%; gem-1.54%. CCTV financial

　　【沪指跌2.9%退守2800点！】周三早盘，沪深两市大幅低开，沪指低开逾2%。开盘后沪指缓慢拉升，创业板在题材股带动下持续上行，医疗器械、车联网、基因测序等题材表现抢眼，创业板盘中翻红；然而题材接力不继，两市冲高后迅速回落。截至午间收盘，沪指报2817.21点，跌2.90%；创业板跌1.54%。央视财经