Wall Street eyes crude ahead of inventories data By: CNBC.com News December 30, 2015 at 06:09 AM EST U.S. stock index futures declined on Wednesday, tracking European shares lower as oil prices continued to slide. Read More >> Related Stocks: Apple PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust Sentinelone Inc Cl A