This is the second part of a three part analysis of BancorpSouth (NYSE:BXS). For part 1, click here.

When you make an equity investment, you're buying a share of that company's future earnings. That means that it is in your best interest as an investor to seek out companies with strong profitability and strong return on equity. The more efficiently the company creates profits from its assets, the higher the percentage returns on your investment. 

This is investing 101, but it can sometimes get lost in the noise of today's 24/7 news cycle.

In the video below, Motley Fool contributor Jay Jenkins tackles the profitability issue at BancorpSouth, a regional bank based in Tupelo, Mississippi. The bank is profitable, something that many banks can't say, but Jay has some concerns.

The problems start with the bank's profit margin, which lags industry averages by about 7%. As a consequence, BancorpSouth also lags its peers' return on equity -- even with an assets to equity ratio in line with industry norms. 

The profile then is of a typical bank with a traditional business model and a relatively conservative capital structure. What is it that's holding back the bank's profitability, and what does this tell investors about a possible investment in BancorpSouth?

Find out by clicking "play" below.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.