US stocks opened with slight gains on Tuesday as investors continued to be cautious amid persisting tensions in Ukraine, while the S&P 500 was within striking distance of its recent record high.
The Dow Jones industrial average was up 14.52 points, or 0.09 percent, at 16,433.20. The Standard & Poor's 500 Index was up 2.18 points, or 0.12 percent, at 1,879.35. The Nasdaq Composite Index was up 8.21 points, or 0.19 percent, at 4,342.66.