Auto sales for April are expected to show an annualized rate of 17.25 million vehicles, according to analysts polled by Reuters. That would be a slight increase from March's 16.57 million.
Earnings due before the bell Tuesday include Pfizer, Halliburton, HSBC, Archer Daniels Midland, Clorox, Estee Lauder, Hyatt, Mallinckrodt, Sprint, Starwood Hotels, Valero Energy, Vulcan Materials, GrubHub, The New York Times. Firms set to report after the close include Avis Budget, CBS, Illumina, Mylan Labs, Western Union, Etsy, Glu Mobile, Live Nation Entertainment, Match Group, Newfield Exploration, Noodles & Company, Papa John's, Potbelly, Zillow.
Last week, Halliburton rescheduled its earnings report to Tuesday morning as the oilfield services giant said it was working to resolve regulatory concerns over its planned $28 billion merger with Baker Hughes.
On Sunday, the two firms said the deal fell apart after opposition from U.S. and European authorities. Halliburton will pay Baker Hughes a $3.5 billion breakup fee by Wednesday.
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