Google stock price is approaching $500 per share. It originally sold for about $100 in August 2004 when it went public, and has doubled in less than 18 months, since May 2005 when it was $222.
Google's market capitalization of $145 billion is more than IBM, Hewlett-Packard, Intel, McDonald's, Merck and Coca-Cola. It is worth 4X the market value of Yahoo! and 3X the market value of Ebay.
It is worth about the same as the combined market value of GM, Ford, ChryslerDaimler and Boeing.