Wall Street jittery ahead of Thanksgiving week By: CNBC.com News November 23, 2015 at 06:05 AM EST U.S. stock index futures indicated a lower open on Monday, ahead of key data and what will be a shortened week due to the Thanksgiving holiday. Read More >> Related Stocks: PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust Sentinelone Inc Cl A Tyson Foods