US stocks set to open slightly higher as Italian political concerns ease By: CNBC.com News May 31, 2018 at 05:09 AM EDT U.S. stock index futures eked out slight gains ahead of Thursday’s open, supported by positive sentiment seen in markets overseas. Read More >> Related Stocks: Dow Industrials SPDR PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust