Crude-oil futures rose in Asian trade Tuesday, but market participants said gains would be limited as oil prices remained volatile and supply-and-demand fundamentals in the market hadn’t changed. On the New York Mercantile Exchange, light, sweet crude futures for delivery in February traded at $56.00 a barrel at 0454 GMT, up $0.74 in the Globex electronic session. February Brent crude on London’s ICE Futures exchange rose $0.34 to $60.45 a barrel. Oil prices have lost about 45% of their value since June. Markets have been fumbling around for a price floor, especially after the Organization of the Petroleum Exporting Countries refused to cut output to stem the decline in prices. Morgan Stanley said it wouldn’t be surprising to see some value buying over the next two months as global oil demand would rise in the northern winter, while spending cuts by oil companies and falling numbers […]