Oil futures settled with a loss on Tuesday, pressured by expectations for another weekly increase in U.S. crude supplies. The expiration of the May contracts at the close exacerbated the move. May crude settled at $55.26 a barrel, down $1.12, or 2%, on the New York Mercantile Exchange. June crude , which is now the front-month contract, fell $1.27, or 2.2%, to end at $56.61 a barrel.
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