The oversubscribed refers to the situation when the subscriptions for a new issue are more than available. The opening price of this security will be at premium to reflect the over-demand.
认购申请高于新股发行量的情况，在这种情形下，该证券的开盘价会趋于升水，从而可反映过度需求的状况。
2
He was much in demand as a lecturer in the U.S., as well as at universities all over Europe.
他在美国是个非常受欢迎的演讲者，在全欧洲的大学中也是。
《柯林斯英汉双解大词典》
3
Coal prices also are low, owing to over-supply and the scaling-down of demand, especially from China, which burns half of the world's coal.