US stocks set for a lower open after major market volatility By: CNBC.com News February 08, 2018 at 05:11 AM EST U.S. stock index futures were under slight pressure ahead of Thursday’s open, as investors turn their attention to the latest corporate news. Read More >> Related Stocks: Dow Industrials SPDR PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust