The following video is from Tuesday's installment of the Motley Fool Financials Show, in which analysts Matt Koppenheffer and David Hanson highlight for investors the most important stock news from the financial sector.

Shares of Comerica (CMA 2.04%) fell today after the bank received a downgrade to underperform from Wells Fargo (WFC 1.24%). Could this be a meaningful red flag for investors? In this segment, Matt gives us his perspective on the downgrade and tells us what he thinks of this stock as a whole.

Many investors are scared about investing in big banking stocks after the crash, but the sector has one notable standout. In a sea of mismanaged and dangerous peers, it stands out as The Only Big Bank Built to Last. You can uncover the top pick that Warren Buffett loves in The Motley Fool's new report. It's free, so click here to access it now.

The relevant video segment can be found between 3:26 and 4:16.

For the full video of today's Financials Show, click here.