Wall Street eyes S&P 500 and oil prices By: CNBC.com News December 31, 2015 at 01:55 AM EST U.S. stock index futures pointed to a flat to higher open on Wall Street on Thursday, the last day of 2015. Read More >> Related Stocks: PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust Sentinelone Inc Cl A