It's no secret: Investing in banks can be intimidating. It's a sector with some of the most moving parts on the market, and after the financial crisis of 2008, many investors are staying away from banks altogether. But, not all banks are created equal. In this video, Motley Fool financial analyst Matt Koppenheffer gives those who are new to investing in the banking sector some ideas on the most important things to watch to know what banks you want to have a stake in, and when the right time to buy is.