US stocks tipped slightly higher on Tuesday, with investors continuing to weigh US moves on Venezuela as they brace for a flurry of fresh data this week to shed light on the health of the economy. The S&P 500 (^GSPC) nudged up 0.1%, while the tech-heavy Nasdaq Composite (^IXIC) rose about 0.3%. The Dow Jones Industrial Average (^DJI) was roughly flat on the heels of Monday's record-setting gain for the blue-chip index. Markets are regrouping after energy stocks outperformed in the wake of the US ouster ...