U - Z

  • You may have heard this term in the aftermath of the real estate bubble. So what is an underwater mortgage? CNBC explains.

  • Knowing the number of people who are unemployed is a key way to measure the state of the economy. So how is unemployment actually measured? CNBC explains.

  • IncomeTax_Basics_Video.jpg

    For anyone who has computed taxes, “tax brackets” are a familiar term -- but how they work can be complicated. Salman Khan of the Khan Academy breaks down and explains the U.S. income tax schedule.

  • About $1.7 trillion is invested in variable annuities, yet most investors don't know how to value their holdings and evaluate fees and tax advantages.

  • As Pope Francis assumes leadership of the world's 1.2 billion Catholics, he's got his work cut out for him on many fronts.

  • Former U.S. Federal Reserve Chairman Paul Volcker

    Paul Volcker was Chairman of the Federal Reserve under Presidents Reagan and Carter. But his name is becoming more well-known for a part of the Dodd–Frank  reform bill. It's called the Volcker rule, and CNBC explains.

  • Workers aboard the Maersk Alabama

    So what is an American ship? The simple answer is a ship flying the U.S. flag. But it can get a little more complicated given economics and law.

  • A man kayaks on Tall Pines Circle in Columbia, South Carolina, on Oct. 4, 2015.

    The flooding in South Carolina has been referred to as a once-in-a-1,000-year rain. It may sound like hyperbole, but it's actual science.

  • Wells Notice—CNBC Explains

    If a company or individual gets what's called a Wells notice from the Securities and Exchange Commission, they won't be very happy to say the least. But who might get one and what do the signify? CNBC explains.

  • Quadruple witch

    Today's a witching day. It may sound ominous, but it's really just the alignment of some important time periods for the markets.  CNBC explains ....

  • The Japanese yen hit a seven-month high on Monday, as the dollar hit a seven-month low. Is there a new currency king in the markets?