Investing.com - U.S. stock index futures edged higher Tuesday ahead of a series of data.
The Dow futures added 0.12% at 06:45 ET, while the S&P 500futures gained 0.17%.
The tech-heavy Nasdaq 100 futures advanced 0.13%.
U.S. Q3 GDP forecast to be revised slightly higher to annual 3.0%; consumer confidence data also due.
Oil fall could weigh on energy stocks as doubts grow about an OPEC output cut deal.
The dollar index steadied above 101 as Treasury yields edged higher.