最近美国证券交易市场纳斯达 克的指数忽上忽下，吓得世界ＩＴ业一抖一抖的。纳斯达克指数曾一日下滑几百点，使微软等大户的市值顷刻间掉了一半，简直象中了魔似的。这初出茅庐的纳斯达克市场看起来不是可以随便跑进去玩的，它既是天堂，也是地狱，眨眼功夫就穿梭几个来回，心 The recent Nasdaq index on the U.S. securities market has suddenly gone up and down, scaring the IT industry in the world to flicker. The Nasdaq index fell a few hundredths a day, leaving the market capitalization of large companies such as Microsoft instantly cut in half, almost like a magical. This fledgling Nasdaq market does not seem to be able to casually run into the play, it is both paradise, but also hell, blink of an eye on the shuttle a few back and forth, heart