上市公司收购指收购人通过在证券交易所的股份转让活动持有一个上市公司的股份达到一定比例、通过证券交易所股份转让活动以外的其他合法途径控制一个上市公司的股份达到一定程度,导致其获得或者可能获得对该公司的实际控制权的行为。要约收购制度起源于上世纪50年代的英国,该制度为上市公司收购过 The acquisition of a listed company means that a certain percentage of the shares of a listed company held by the purchaser through the share transfer activities of the stock exchange and the legal control over the shares of a listed company through other legal channels other than the stock exchange of the stock exchange have resulted in their Acquired or may have actual control over the company. The tender offer system originated in the 1950s in the United Kingdom, the system for the listed company acquired