Wall Street eyes Fed, Brexit as global markets slump By: CNBC.com News June 13, 2016 at 04:34 AM EDT U.S. stock index futures indicated a lower open as investors looked ahead to crucial central bank decisions from the U.S. and Japan this week. Read More >> Related Stocks: Dow Industrials SPDR PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust Sentinelone Inc Cl A