Crude-oil prices rose Tuesday as the Saudi Arabian and Russian energy ministers met in Qatar to discuss production, stoking speculation of a production cut or freeze . On the New York Mercantile Exchange, light, sweet crude futures for delivery in March traded at $31.03 a barrel, up $1.59 in the Globex electronic session. April Brent crude on London’s ICE Futures exchange rose $1.90 to $35.29 a barrel. Oil prices have plunged more than 70% since June 2014 and could stay low for longer unless a drastic production cut helps to trim down the global supply glut. Major oil suppliers within the Organization of the Petroleum Exporting Countries—as well as other players, such as Russia and U.S.—have been unwilling to cut output because they want to defend their shares of the market. An oil rig in Big Lake, Texas, on Dec. 15. “Saudi Arabia is not eager to cut production […]