Stock index futures point up;
REUTERS/Brendan McDermid - US stock index futures pointed to a higher open on Wall Street on Tuesday, with the Dow Jones industrial average , the S&P 500 and the Nasdaq Composite all rising 0.6 percent.
- US stock index futures pointed to a mixed start for Wall Street on Tuesday after US shares ended flat in the previous session as investors took a breather from a four-day rally.