By Elliot Gulliver-Needham Retail investors are backing Labour over the Conservatives at next week’s election, despite thinking the Tories will be better for the stock market, City A.M. can reveal. 38 per cent of UK investors said they’d be voting Labour, compared to 23 per cent for the Conservatives, according to a survey conducted by Finimize. Despite a majority predicting the market to become more volatile after the polls close, most UK investors believed the value of their portfolios will actually rise after the election. The survey, which interviewed over 3,000 UK and US investors, found …