In this Nov. 28, 2018, file photo trader Michael Milano works on the floor of the New York Stock Exchange. The U.S. stock market opens at 9:30 a.m. EST on Tuesday, Dec. 4. (AP Photo/Richard Drew, File)
Stocks slumped on Wall Street Tuesday as traders worried that the U.S. and China made less progress than originally thought on defusing their dispute over trade. Bond prices surged, sending yields sharply lower as investors turned to lower-risk assets.