Some investors may be able to think of a laundry list of reasons to sell -- or at least avoid -- Citigroup's (NYSE:C) stock. And that shouldn't be too surprising since this was one of, if not the, worst-hit big banks during the financial meltdown. And though the crisis is now behind us, some of the ramifications of it are not.

In the video below, I take a closer look at three of the key reasons that investors might consider selling Citi's stock.

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.