According to a report by Reuters, on Tuesday, global equity markets fell as nervous investors awaited indications whether the US Federal Reserve will be able to raise interest rates much further amid turbulent markets and a weakening outlook for the global economy. Energy stocks have reportedly weighed on the US markets as oil price declines deepened. Reuters reports that equity markets over the last two months have sapped investor confidence, leading fund managers to predict global growth to weaken over the next 12 months. The index is reportedly down 10 percent this year and is looking to have its worst year in a decade.