| 4 federal agencies to shut Friday | ||
| Chrysler jabs Tesla over loan repayment | ||
| Wall Street tries to buck global sell-off | ||
| Japan plunge spooks global markets | ||
| Tesla repays federal loan nearly 10 years early |
Wal-Mart holds Exxon Mobil at bay and rules the Fortune 500 for the second year in a row. Which other companies made the top 50?