America should brace for a final blow-off surge in stock markets akin to the last phase of the dotcom boom or the "Gatsby" years of the Roaring Twenties, followed by a cathartic crash and day of moral judgment, according to a Nobel prize-winning economist. Professor Robert Shiller said the psychological "narrative" behind Donald Trump is powerful and likely to carry Wall Street to giddy heights before the ageing business cycle finally rolls over. "I think there will be a Trump boom for a while. Stocks look high, but they are not yet super-high. In 2000 the (Cape Shiller) price-earnings ratio was over 45 and we may ... (full story)