The U.S. hasn’t experienced deflation since the 1930s, Let’s hope that continues

Deflation is a scary proposition for central bankers and investors alike, and the fact that the Fed is including it in this year’s stress tests is both reassuring that the tests will be so thorough, but it’s also a scary omen that Janet Yellen and Co. think deflation could be on the horizon.

http://www.fool.com/investing/general/2016/02/12/this-might-be-janet-yellens-worst-nightmare.aspx