What to pay attention to?

"What I pay attention to is earning power. Coca-Cola has no tangible common equity. But they've got huge earning power. And Wells ... you can't take away Wells' customer base. It grows quarter by quarter. And what you make money off of is customers. And you make money on customers by having a helluva spread on assets and not doing anything really dumb. And that's what they do"


Warren Buffett - talking about Wells Fargo, CNN Money interview