新股与次新股大幅下跌，天鹅股份跌停。新股与次新股大幅下跌，天鹅股份跌停、海汽集团跌8.73、科大国创跌8.57%、嘉澳环保跌7.73%、爱司凯跌7.44%、洪汇新材跌7.01%、恒泰实达跌6.81%、美尚生态跌6.83%、昊志机电跌6.77... 网页链接