Stock Index Futures Trading Lower

September SP500 is trading at 2156.25, down 6.00. September Nasdaq 100 is trading at 4645.50, down 8.25. September Dow Industrial futures are trading at 18314, down 106. September Russell 2000 is trading at 1205.90, down 1.20. Stock index futures are trading at session lows after a steady trade early in the session. Trading is choppy, chatter about headline news and money flows is making the rounds.