METALS-London copper pulls away from 3-month low on dovish Fed

(Adds comment, updates prices) By Melanie Burton MELBOURNE, March 22 (Reuters) - London copper climbed off its lowest in three months on Thursday after the U.S. Federal Reserve signalled a slower pace of rate rises this year, which weighed on the dollar. "Post the FED rate hike and forward guidance on an additional two hikes, the market found reason to re-assert the bearish USD theme and this in turn has boosted the USD denominated commodities markets," said Marex Spectron in a rep