US stocks set for fresh falls on Monday as investors nervously await this week's Federal Reserve policy meeting

US stocks are expected to come under fresh pressure on Monday, extending last week's hefty falls, as investors nervously await this week's Federal Reserve policy meeting. Futures for the Dow Jones Industrial Average were down 0.6% in pre-market trading, while those for the S&P 500 shed 0.7%, and contracts for the Nasdaq-100 lost 0.9%. The main US indexes dropped sharply again on…