Shares slide on trade war, German coalition concerns

A renewed slump in Chinese shares and a sobering set of global factory surveys sucked world markets lower on Monday, while the euro and Mexican peso were both jolted by political developments.It was the first trading day of the new month, quarter and half-year but there was no let up for bruised investors after the worst start to a year for world shares since 2010.Europe suffered a thud too, with the STOXX 600 share index dropping as much as 1 percentand the euro down 0.5 percent to $1.1630as di