U.S. stock index futures signaled a lower open on Wall Street on Tuesday, with both Asian and European markets down due to ongoing concerns about the U.S. "fiscal cliff" and uncertainty about Greece.
U.S. equities have come under pressure since last week's election as investors worry that if no deal is reached to prevent the automatic spending cuts and tax increases that hit at the end of the year, the economy could slip into recession.
"We've got a generation of zombie consumers that are haunting the landscape in the United States," Stephen Roach, Yale University senior fellow, said on CNBC Tuesday. "What the consumption weakness shows you is the economy doesn't have a cushion, so when you hit an economy without a cushion with sharp fiscal consolidation we'll go immediately into recession."
U.S. small-business sentiment ticked up to 93.1 in October as uncertainty about future business conditions reached a record high. "We haven't been above 95 during this entire recovery" that started in July 2009, said William Dunkelberg, NFIB's chief economist.
In Europe, the Eurogroup of finance ministers, which met in Brussels on Monday, decided to give Greece two more years to make budget cuts. However, they postponed a decision on a further tranche of aid for Greece until November 20. Meanwhile, International Monetary Fund Managing Director Christine Lagarde and Eurogroup Chair Jean-Claude Juncker
over the deadline for Greece to lower its debt levels.
Turning to U.S. corporate news, Home Depot reported third-quarter earnings, excluding charges of 74 cents per share, 4 cents ahead of Street estimates. Revenue came in at $18.1 billion as same-store sales rose 4.2 percent worldwide. The company also raised its outlook as the housing market continues to improve.
Fashion house Michael Kors Holdings forecast profits for the holiday quarter that missed Wall Street's high expectations despite its projections for another quarter of strong revenue growth.
Saks, meanwhile, forecast that Hurricane Sandy will lead to flat same-store sales in the current quarter. Stores affected by the storm account for more than half its sales.
Xerox announced plans to raise its dividend next year and hike its share buyback program by $1 billion. It will also take a $100 million charge related to a previously announced restructuring.
Steven Sinofsky, the executive most widely tipped to be the next chief executive of Microsoft, has left the software giant.
Cisco will report earnings after the closing bell.