Apple's stock soared to new heights on Thursday, pushing the company's market capitalization to $456 billion, a number that is greater than the values of rivals Google and Microsoft combined.
As of Thursday morning, Microsoft's market cap was around $256.7 billion, while Google was valued at around $198.9 billion. With Apple's stock up more than 3 percent in morning trading, the company surpassed the combined totals of both Google and Microsoft.
http://www.appleinsider.com/articles...om bined.html