JPMorgan and Wells Fargo kicked off bank earnings on Friday and Wall Street came away disappointed. That may spell trouble as the rest of the big banks and regional banks begin reporting results next week, analysts say.

Commenting on JPMorgan, Sterne Agee analyst Todd Hagerman told CNBC, "Clearly expectations were pretty high going into today's result, and the stock certainly traded up in anticipation of some pretty good numbers, quite frankly."