In this segment from Where the Money Is, Motley Fool financial analysts Matt Koppenheffer and David Hanson face off in a battle of wits, to see who can stump the other in today's stock quiz. Can you beat the analysts?

In this installment, they discuss whose mobile app dominates in the U.S., and one bank that nearly failed the severely adverse scenario in this year's round of the Fed's stress tests.

Bank of America, Snapchat, Starbucks, and MapMyRun all have millions of people that use their mobile apps everyday. Do you know which one pulls in the most?

Bank of America also made news this week when it reported that it had found an error in some of its accounting practices and was forced to resubmitted its capital plan to the Federal Reserve. Just this past March, the Fed had given Bank of America a clean bill of financial health -- which left many bank investors shaking their heads this week.

David Hanson has no position in any stocks mentioned. Matt Koppenheffer owns shares of Bank of America and Morgan Stanley. The Motley Fool recommends Bank of America. The Motley Fool owns shares of Bank of America. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.