U.S. stock futures were a touch firmer Tuesday amid cautious trading following a bad start to the week.
S&P 500 futures rose 8 points, or 0.2%, to 4011
Dow Jones Industrial Average futures added 61 points, or 0.2%, to 34047
Nasdaq 100 futures climbed 23 points, or 0.2%, to 11829
On Monday,...