Wall Street set for a muted open, as US-China trade concerns rumble on By: CNBC.com News September 17, 2018 at 04:47 AM EDT U.S. stock index futures pulled back ahead of Monday's open, as investors kept abreast of a trade spat between two major economies. Read More >> Related Stocks: Dow Industrials SPDR Nasdaq ETF S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust