Daily Report

Yesterday crude oil future surge by 10% to $47 when Saudi Arab indicated it had deliver the cut promised to OPEC. But today crude oil as well as future dropped by about 7% because senate reject bailout plan for auto makers, which raised concern that a prolonged recession will cut fuel demand.
I need to do research on XOM-CVS, BP-TOT and COP-MRO.
Why XOM has PE premium over CVS? XOM has PE 8.7 and FPE 12.8, CVS has PE 6.9 and FPE 10.4. CVS also has higer payout at 3.24% comparing to XOM's 2%.