Stock Index Futures Move Down

September SP500 is trading at 2083.50, down 10.50. September Nasdaq 100 is trading at 4434.75, down 5.75. September Russell 2000 is trading at 1141.80, down 2.50. September Dow Industrial futures are trading at 17740, down 94 Stock index futures are trading near the session lows. Trading has become very choppy. Chatter about global headline news and general economic conditions is making the rounds.