股份回购;
Definition:The purchase by a listed company of its own shares either in the open market or by tender offers.Sometimes a company has surplus funds that it does not need for its operations.It can use those funds to expand its operations (e.g.buy new businesses) or it can distribute them to stockholders.One-way of distributing funds to shareholders is to have a share buy back,wherein the company buys back some of its shares from existing stockholders.定义：某公司通过其本身的股份,购买了一家上市公司,无论是在公开市场上或以招标方式提供.有时,这家公司有剩余资金,并不需要用在其业务时,它可以利用这些资金,以扩大其业务量（如买新业务）或它可以分派给股东.单向的资金分配给股东,进行股票回购,即公司从现有股东买回其部分股份.