为了抑制对绩差股的炒作，上海证券交易所和深圳证券交易所分别制定了特别处理制度，希望以此来抑制这一不正常现象。
In order to repress the speculation to corporations that have problems in operation , Shanghai Stock Exchange and Shenzhen Stock Exchange drew up the special treatment rules respectively , hoping to repress these unfair things .
绩差股