(Reuters) -U.S. stock index futures slipped on Tuesday as investor fatigue set in a day after the S&P 500 and the Nasdaq hit record closing highs, with focus now shifting to a slate of Federal Reserve speakers for policy signals.

Equities have been climbing despite concerns over stretched valuations, and reduced certainty around data after the federal government shutdown entered its seventh day, leaving markets vulnerable to a pullback.

“Stocks have rallied hard off the April lows and skipped past the usual August-September weakness. So if we do see a pullback in the fourth quarter, that could actually be a healthy reset,” wrote Bret Kenwell, U.S. investment analyst at eToro.

At 05:07 a.m. ET, Dow e-minis were down 82 points, or 0.17%, U.S. S&P 500 E-minis were down 5.25 points, or 0.08

See Full Page