U.S. stocks closed lower as investors assessed little progress on trade talks, after jumping in the morning on a cooler-than-expected inflation reading. The Dow Jones Industrial Average fell 1 point to close at 42,865.77, while the S&P 500 Index lost 16.51 points to settle at 6,022.30. The Nasdaq Composite was down 99.11 points, 0.5%, to 19,615.88