Turkish Crisis Causes A Modest Decline In U.S. Stocks By: TalkMarkets August 13, 2018 at 15:05 PM EDT Materials were the worst performing sector as they fell 1.43%. The best sector was energy as it was the only one in the green. Read More >> Related Stocks: Crude Oil DB US Dollar Index Bullish Fund Invesco Energy Select Sector SPDR MATERIALS NDX Tanzanian Royalty Exploration Corporation Turkey Ishares MSCI ETF VIX