(Read more: Can bulls push S&P into recordterritory?)
Home Depot's shares rose in early New York trading after the home-improvement retailer reported fourth-quarter earnings that beat Wall Street's estimates, and hiked its quarterly dividend by 21 percent. It also offered Shares of Macy's fell after the department-store chain reported an increase in fourth-quarter profit that came in below expectations.
The Conference Board's consumer confidence report for February is expected at 10 a.m. Eastern, with analysts polled by Reuters expecting a reading of 80.3, slightly down from 80.7 in January.
"The ongoing rise in the U.S. equity market continues to provide a favorable backdrop helping to support improving household and business confidence," said Bank of Tokyo-Mitsubishi's Lee Hardman in a research note.
JPMorgan Chase was holding its investor day in New York, with presentations from Chairman and CEO Jamie Dimon. Investors will listen for word on job losses, after media reports that the bank plans to cut several thousand jobs.
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U.S. stocks rallied on Monday as investors cheered merger and acquisition news and continued to disregard lackluster economic data, attributing it to harsh winter weather. The S&P 500 was lifted to an intraday record, and briefly cleared its 2014 loss.
—By CNBC's Katy Barnato