With the four largest U.S. banks holding a combined total of well over $1 trillion in assets, the banking sector can be a very intimidating one to invest in. How should investors decide which bank is going to outperform the others when there are so many pieces to the business and so many metrics to look at?

In this video, Fool financial analysts David Hanson and Matt Koppenheffer give investors two systems for the very first place to look when analyzing a bank stock, to know if it's really worth your money.