Dow plunges 800 points in worst day of 2019

Emily McCormick for Yahoo Finance:A selloff in U.S. stocks accelerated into Wednesday afternoon after the bond market flashed its brightest warning signal yet presaging a potential recession. When it was all said and done, the three major indices booked their worst session of 2019.
Here were the main moves in the market, as of 4:00 p.m. ET:
• S&P 500: -2.93%, or 85.72 points• Dow: -3.05%, or 800.49 points• Nasdaq: -3.02%, or 242.42 points• 10-year Trea