Trade hopes buoy FTSE 100; Mothercare dives

(Reuters) - London's FTSE 100 joined a global stocks rally on Monday driven by rising hopes of a U.S.-China trade deal, while retailer Mothercare sank to a record low after saying it intends to appoint administrators for its UK operations.The FTSE 100 added 0.5% as Asia-focussed banks HSBC and Standard Chartered as well as miners including Rio Tinto gained after Washington and Beijing signalled they had made progress in trade talks."Of course, we've had plenty of warm words before that have..