Traders work on the floor of the New York Stock Exchange during morning trading on May 20, 2013 in New York City. - 

It's international quiz time on the Marketplace Morning Report. Stephan Richter, editor-in-chief of the online international affairs magazine, The Globalist, brings us the question below.

Scroll down to see the answer and click on the audio player above to hear more about how Americans participate in the markets.

Answer: A. 47 percent of Americans own stock, with the wealthiest 10 percent owning 81 percent of all stock assets.