These companies lost the most
Investors in these Fortune 500 companies saw handsome returns in 2011.
Fortune 500 companies returned nearly 7% to investors annually for the past 10 years, but investors in these 20 companies were not so fortunate.
Exxon Mobil knocks Wal-Mart from the top spot. Who else made the top 50 this year?
Almost half the CEOs for the top 25 Fortune 500 companies made a campaign contribution in 2011.