Wall Street had its worst day in 2019 on the first trading day of the week.<br />Major indexes posted their biggest percentage drop of the year as a fall in the yuan following U.S. President Donald Trump's vow to impose additional tariffs on Chinese goods sparked fears of further escalation of the U.S., China trade war.<br /> The Dow Jones Industrial Average plunged 767 points to close at 25-718 and dropped as much as 962 points at one point. <br />The S&P 500 dropped nearly 3-percent and the Nasdaq Composite lagged... falling 3-and-a-half percent. <br />It was the worst percentage drop for all three indexes this year. <br />The S&P 500 is now more than 6-percent below its record hit only last month. <br />
