Wall Street set for a higher open, as investors look to data By: CNBC.com News August 15, 2017 at 05:56 AM EDT U.S. stock index futures pointed to a positive open on Tuesday, as tensions around North Korea show signs of alleviating. Read More >> Related Stocks: Dow Industrials SPDR PowerShares QQQ S&P 500 Ishares Core ETF S&P Depository Receipts