America's housing market is raising a 'large red flag' for the economy

Robert Galbraith/Reuters Friday's gross domestic product (GDP) report showed that residential investment, which includes construction and brokers' fees, fell for a third quarter out of four. It was another confirmation that the US housing market is in a slowdown. Sales of luxury and affordable housing have been declining for months. There's plenty of demand for buying houses, but it's getting harder to do so successfully in America. The US housing market is slowing down. Friday's report on US ec...