US stocks set for a mixed open amid ongoing US-China trade talks By: CNBC.com News May 24, 2018 at 04:18 AM EDT U.S. stock index futures pointed to a mixed open Thursday morning, as investors monitored a fresh batch of corporate earnings and economic data. Read More >> Related Stocks: Dow Industrials SPDR PowerShares QQQ S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust