7月21日,A股出现了不少一字板或者直接涨停的个股,其中不乏30%涨停的铁拓机械、基康技术等;亦有不少20%一字涨停的个股,如唯万密封、深水规院等;此外,保利联合、高争民爆等也是一字封板。港股方面,东方电气盘初一度涨超700%,随后急速回落。公开资料显示,东方电气的主营业务是开发、设计、制造、销售先进的水电、火电等发电成套设备,以及向全球能源运营商提供工程承包及服务等相关业务。消息面上,据新华社...
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