They may do a two-for-one split; that means, if you held one thousand shares you get a letter saying, congratulations you now own two thousand shares.

他们会将一张股票拆为两张,意味着如果你有一千股,就会收到信件说,恭喜您,您现在有两千股了

耶鲁公开课 - 金融市场课程节选