Share repurchase by listed companies is the act of listed companies to buy back its emitted shares, then cancel the repurchased shares or hold them as "Treasury stock".
上市公司股份回购是上市公司通过一定的方式购回本公司发行在外的股份并予以注销或库藏的行为。
2
Outstanding stock includes any shares that a company has issued but has not repurchased-that is, stock that is investor owned.
流通股包括任何已经发行但公司还没有回购的股份，股票为投资人拥有。
3
After study the limitation of this paper, at the end of chapter there are some prospect of stockrepurchased research in the future.