A general view of Exxonmobil or Exxon Mobil refinery in the Port of Rotterdam, Netherlands./Credit:	Dean Mouhtaropoulos/Getty Images

A general view of Exxonmobil or Exxon Mobil refinery in the Port of Rotterdam, Netherlands./Credit: Dean Mouhtaropoulos/Getty Images

Stories this photo appears in:

Tease photo

Exxon's exit means there's just one oil company left in the Dow

A shake-up in the Dow Jones Industrial Average shows just how far once mighty oil companies have fallen in the corporate pecking order.