Fed and OPEC in focus on Wall Street By: CNBC.com News May 31, 2016 at 05:37 AM EDT U.S. stock-index futures pointed to a higher open on Wall Street on Tuesday, as traders wait to scour a data pile for hints as to when the Fed will hike rates. Read More >> Related Stocks: Dow Industrials SPDR Medtronic PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust Sentinelone Inc Cl A