Stock Index Futures Move Up

September SP500 is trading at 2185.00, up 11.50. September Nasdaq 100 is trading at 4812.75, up 30.50 September Russell 2000 is trading at 1249.00, up 9.60. September Dow Industrial futures are trading at 18538, up 90. Stock index futures are trading at session highs after showing a lower trade early in the day. Market talk about corporate news and chatter about comments from Federal Reserve Chair Janet Yellen is making the rounds.