Largest US Companies Part II

The top 5 companies in the US by market cap are:

#5 - Berkshire Hathaway - $195 billion

#4 - Apple - $198 billion

#3 - Wal-Mart - $206 billion

#2 - Microsoft - $250 billion

#1 - Exxon Mobil - $314 billion

What surprises you more, that massive corporations like Johnson & Johnson, Procter and Gamble, and General Electric are not on this list and Apple is, or that Exxon Mobil is a full $108 billion dollar larger in market capitalization than WAL-MART!?!?