U.S stock index futures remained in positive territory Tuesday following the S&P Case-Shiller home price index, but a pessimistic outlook from Caterpillar limited gains.
Also on the housing front, the Federal Housing Finance Agency releases its home price index for July at 10 am ET. The index rose by 0.7 percent in June.
Caterpillar declined after the construction and mining equipment maker reduced its 2015 earnings expectations, citing the slower-than-expected growth in the global economy.
The news follows lowered outlooks by transportation companies FedEx and Norfolk Southern in recent weeks.
Facebook edged higher a day after shares of the social-networking giant plunged 9 percent following a weekend report from Barron’s that the stock remains overvalued.