Apple shares earlier today made their first foray past past the $600 billion market capitalization level before being sucked lower in the current market downturn. The stock peaked Tuesday at $644.05. Given that the company has 932.37 million shares outstanding, the stock at the peak had a valuation of $600.48 billion.

The stock is now worth over $200 billion more thanExxon Mobil, the second-largest U.S. company in terms of market capitalization. Apple’s valuation is over $100 billion more than Microsoft and IBM – combined.

Apple shares at today’s peak were up $239.05 for the year to date, a gain of 59%. The stock is up 67% since former CEO Steve Jobs died in early October.

Late in the trading day Tuesday, the stock is off $4.24, or 0.7%, to $631.99.

沪江英语快讯：美国东部夏令时4月5日星期四，苹果公司股价一度达到644.05美元，其市值首次超过6000亿美元大关！在此之前，只有苹果的老对手微软公司曾经在世纪相交之际（1999年12月30日）市值达到过6000亿美元！苹果公司如今的市值比美国第二大公司埃克森美孚（石油天然气生产商）高出2000亿美元，比微软和IBM加在一起的市值还要高出1000亿美元！乔帮主九泉之下也可以瞑目了。