Global Equities Mixed Ahead Of Yellen Speech By: Benzinga via Benzinga May 27, 2016 at 07:37 AM EDT Global stocks were mixed on Friday as investors ahead of the Federal Reserve's Chair Janet Yellen's speech at an event at ... Read More >> Related Stocks: SPDR S&P 500 ETF Trust United States Oil Fund iPath Dow Jones-Goldman Sachs Crude Oil Fund