US stocks opened little changed on Monday, hurt by disappointing results from global manufacturer Caterpillar and after the S&P 500 suffered the worst one-day decline since late June on Friday.
The Dow Jones industrial average slipped 14.90 points, or 0.11%, to 13,328.61. The Standard & Poor's 500 Index edged down 0.47 point, or 0.03%, at 1,432.72. The Nasdaq Composite Index added 2.67 points, or 0.09%, to 3,008.29.