Wall Street looks set for another rocky trading session By: CNBC.com News June 27, 2016 at 05:01 AM EDT U.S. stock index futures pointed to a lower start to trade, as European stocks and currencies declined following the U.K. vote to leave the EU. Read More >> Related Stocks: Dow Industrials SPDR Goldman Sachs Group PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust Sentinelone Inc Cl A