A trader reacts on the floor of the New York Stock Exchange (NYSE) in New York, U.S., on Monday. (Photographer: Michael Nagle/Bloomberg)

Stocks Tumble, and This Time It's No ‘Glitch’

(Bloomberg Opinion) -- Following the gut-wrenching sell-off in stocks at the end of 2018 that put most indexes on the cusp of a bear market, President Donald Trump said the market was just sufferin...