In the following video, Motley Fool financial analyst Matt Koppenheffer tells us why he bought Bank of America (BAC 1.02%) last week. He highlights how important it is for a bank to have good leadership, telling us what he likes about BAC's CEO and what this bank has done to address some of the legal issues that had been hanging over it. Matt also takes a look at its valuation at the moment and explains to investors why he sees it as an attractive one.