Futures point to a slightly weaker open on Wall Street By: CNBC.com News September 13, 2017 at 05:53 AM EDT U.S. stock index futures pointed to a slightly weaker open on Wednesday after Wall Street closed at record highs in the previous session. Read More >> Related Stocks: Dow Industrials SPDR PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust