METALS-London copper climbs as China trade brightens, imports jump

(Adds comment, detail, updates prices) By Melanie Burton MELBOURNE, April 13 (Reuters) - London copper rose from its lowest in three months on Thursday after upbeat China trade data for March, and as traders closed positions ahead of the long Easter holiday weekend. China's 2017 export outlook brightened considerably on Thursday as it reported forecast-beating trade growth in March and U.S. President Donald Trump softened his anti-China rhetoric in an abrupt policy shift.