因瘦肉精事件而停牌长达一个月的双汇发展,2011年4月19日复牌,开盘即被80多万手大单封在跌停板,股价报70.15元。在巨大的卖盘压力下,双汇开盘后牢牢封死跌停,买盘极其稀少,截至午盘,成交额仅616万元。上海财汇数据显示,2010年末共有169只基金持有 Because of clenbuterol incident and suspended for up to a month Shuanghui development, April 19, 2011 resumption of trading, the opening was more than 80 million single-handedly sealed in the daily limit, the stock reported 70.15 yuan. Under the pressure of a huge selling pressure, after the opening of the store, Shineway sealed its limit and the buying was extremely scarce. As of midday, the turnover was only 6,160,000 yuan. Shanghai Finance Department data show that by the end of 2010 a total of 169 funds held