Crude-oil futures rose marginally in Asian trade Monday, with investor concerns about excess crude in U.S. markets limiting gains. On the New York Mercantile Exchange, light, sweet crude futures for delivery in April traded at $50.90 a barrel at 0409 GMT, up $0.09 in the Globex electronic session. Brent crude for April delivery rose $0.19 to $60.41 a barrel on London’s ICE Futures exchange. Nymex West Texas Intermediate crude declined 4.6% last week, dropping more than Brent crude, which fell 2.1%. Both benchmarks snapped a three-week winning streak. “U.S. crude stocks are elevated and set to build through May as challenges continue to mount,” Morgan Stanley’s head of energy research Adam Longson said in a weekly report. The U.S. crude market faces challenges including growing oil production in North America, refinery maintenance and a marginal decline in oil imports. Although Brent crude prices are holding up […]