Stock futures were little changed Tuesday night after a volatile session for U.S. equities. Futures tied to the Dow Jones Industrial Average lost 47 points, or 0.1%. S&P 500 futures fell 0.08%, while Nasdaq 100 futures dropped 0.04%. Major stock averages closed the previous session in the red, albeit far off of their lows of the day. The S&P 500 slipped about 0.9%, while the Dow lost about 403 points, or 0.8%. At one point, the Dow Industrials fell more than 1,200 points. The Nasdaq Composite