METALS-Copper falls for 2nd day as Trump casts more doubt on trade deal

BEIJING, May 24 (Reuters) - Copper prices on the London Metal Exchange (LME) slipped for a second session on Thursday, after U.S. President Donald Trump said any trade deal with top metals consumer China would "need a different structure". Copper had rallied at the start of the week after U.S. Treasury Secretary Steven Mnuchin said the prospect of a U.S.-China trade war was "on hold". FUNDAMENTALS * LME COPPER: Three-month copper on the LME had fallen 0.3 percent to $6