UK stocks fall as trade fears, Labour manifesto weigh

(Reuters) - UK shares fell on Thursday on concerns about U.S.-China relations and the opposition Labour Party's election manifesto plans to raise taxes on companies and renationalise infrastructure groups.The main index shed 0.3%, weighed down by financial stocks and miners. The FTSE 250 dipped 0.5%, hit by a 14.2% fall in Royal Mail after it said its turnaround plan has fallen behind schedule. The postal company's shares, which have lost nearly a third of their value this year, had their worst..