FTSE 100 'melt up' led by Rolls-Royce, as Trump says China tariff...
FTSE 100 gains 221 points to 7,923 China accuses US of 'blackmail' after Trump threatens extra 50% tariff Multiple companies already warning of US tariff effects 4.09pm: FTSE tiring after busy day The FTSE is running out of puff as it approaches …