Stock prices of most major oil companies posted significant gains in the first quarter of 2011, as the price of oil rose almost 17 percent from January through March. Here's how their shares performed in that period.
Exxon Mobil Corp. (XOM) Up 15%
Chevron Corp. (CVX) Up 18%
ConocoPhillips (COP) Up 17%
Occidental Petroleum Corp. (OXY) Up 7%
Hess Corp. (HES) Up 11%
Marathon Oil Corp. (MRO) Up 44%
BP PLC (BP) Down 2%