The S&P 500 Index ($SPX ) (SPY ) Wednesday closed down -0.12%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down -0.38%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed up +0.16%. September E-mini S&P futures (ESU25 ) fell -0.09%, and September E-mini Nasdaq futures (NQU25…