Since June 14, Google (GOOG) has gained roughly 36%, and it just recently made a new all-time high. This jump of 36% equates into an increase in market cap of $66.63 billion. With a current market cap of $249 billion, Google is currently the fifth biggest company in the U.S., and it's just barely behind Wal-Mart (WMT) at $251 billion and Microsoft (MSFT) at $257 billion. Another 5% gain for the stock would make it the third largest company in the US behind just Apple (AAPL) and Exxon Mobil (XOM).
Below is a list of the 25 largest U.S. companies. Google has jumped five places on the list from 10th to 5th since June 14, which is the largest jump of the names highlighted. Intel (INTC) has dropped the most, from 17th to 22nd.