Oil prices rose Tuesday as the dollar fell and traders looked ahead to a Federal Reserve policy meeting this week. However, concerns about persistent market oversupply are expected to put a cap on gains. Light, sweet crude for June delivery recently rose 71 cents, or 1.7%, to $43.35 a barrel on the New York Mercantile Exchange. Brent, the global benchmark, rose 70 cents, or 1.6%, to $45.18 a barrel in ICE Futures Europe. BP Plc reported a second consecutive quarterly loss Tuesday on weak oil prices and a… Oil was propped up by the dollar, which fell ahead of a meeting of Fed officials on Tuesday and Wednesday. The Fed could drop hints after its meeting about future interest-rate increases and the strength of the U.S. economy. The Wall Street Journal Dollar Index, which tracks the greenback against a basket of other currencies, recently fell 0.4%. As oil […]