At 10 a.m. ET, the Census Bureau will publish data on factory orders for February, following an underwhelming report on U.S. manufacturing Monday.
Major automakers, including Ford(F) and GM(GM), are also set to release their monthly sales figures Tuesday. Forecasts are for another strong month of sales, with some experts anticipating the best sales month in five years.
U.S. stocks started the second quarter with a modest pullback Monday.
Shares of health-care firms including Humana(HUM), United Health(UNH) and Aetna(AET) rose in after-hours trading Monday after the government announced a 3.3% increase in Medicare Advantage rates for next year, rather than the 2.3% cut that had been floated previously. While Aetna shares were not yet trading premarket, shares of Humana and United Health were both higher ahead of the open Tuesday.
Hewlett-Packard(HPQ) shares slid nearly 3% in premarket trading after Goldman Sachs downgraded the firm to "sell."