Oil prices climbed on Tuesday, rebounding from a sharp selloff in the beginning of the week as investors look ahead to U.S. supply data that are expected to confirm the market is tightening. Crude oil for September CLU7, +0.34 , the contract that expires at the end of trade on Tuesday, rose 31 cents, or 0.7%, to $47.68 a barrel, after slumping 2.4% on Monday. The October contract CLV7, +0.32 advanced 33 cents, or 0.7%, to $47.86 a barrel. October Brent LCOV7, +0.45 put on 34 cents, or 0.7%, to $52 a barrel, recouping parts of its 2% slump on Monday. The weakness came as no major news emerged from a meeting between members of the Organization of the Petroleum Exporting Countries and non-cartel producers about compliance with the output-cut agreement.via