16 Oct 2013 S&P cut US annualized GDP to 2% in Q4 FXstreet.com (Barcelona) - S&P cut the US YoY growth to 2% in Q4 from 3% in September, also informing that the shutdown will represent no less than 0.6% off yearly Q4 GDP growth as $25bn is projected to have been evaporated out of the US economy.