Discover how you can greatly increase dividend yields in companies you're holding through strategic investments in business development companies, energy infrastructure, and investment funds.

Robert Armstrong It actually is a very good question and one without a simple answer. So, I mean, there are simple answers, but they’re incomplete. And then you quickly get into the complicated answer ...

Learn about per diem interest, how it's calculated, its role in loans like mortgages, and why it's essential for borrowers to understand before closing a loan.

Editor's Note: APYs listed in this article are up-to-date as of the time of publication. They may fluctuate (up or down) as the Fed rate changes. CNBC Select will update as changes are made public.