If you are looking at ExxonMobil (XOM -0.89%) you are probably also considering Chevron (CVX -0.46%). And if you are ...

For Buffett, there's an extra layer of complexity because earnings get plowed back into Berkshire Hathaway ( BRK.A -1.59%) ( BRK.B -1.68%) and provide money for other parts of the business, increasing ...