U.S. stock futures edged downward ahead of the open on Tuesday as investors watch highly anticipated talks on a fast-approaching debt ceiling deadline.
Contracts on the S&P 500 (^GSPC) slipped 0.38%, while the Dow Jones Industrial Average (^DJI) dipped 0.36%. The technology-heavy Nasdaq Composite (^IXIC) fell 0.43%.
The clock is ticking for a divided U.S. Congress to raise…