认购： 申请购买新发行的股票、债券或其他证券。假如投资人所申购的总股数等于或超越发行量，就称为全部认购或超额认购（在超额的状况下）。假如申购的股票数不抵发行数，就称认购不足。
Subscribe1: To apply to buy shares, bonds other securities that have been newly issued. If the total number of shares for which investors2 have applied3 equals or exceeds the amount on offer, the issue is said to be fully4 subscribed5 or oversubscribed . If the applications do not cover the shares on offer, the issue is undersubscribed.
例证：新股发行一般会致使整体指数下跌，由于投资者会抛出现有股票，认购新股。
EXAMPLE: New issues usually cause the overall index to fall because investors sell existing stocks to subscribe the IPOs