The S&P 500 Index ($SPX) (SPY) on Monday closed down -0.39$DOWI) (DIA) closed up +0.11%, and the Nasdaq 100 Index ($IUXX) (QQQ) closed down -0.78%.  June E-mini S&P futures (ESM26) fell -0.43%, and June E-mini Nasdaq futures (NQM26) fell -0.88%. Stock indexes gave up an early advance on Monday and settled mixed, with the S&P 500 posting a 7.5-month low and the Nasdaq 100 posting a 7.75-month low.  Concerns that a protracted war in the Middle East will derail economic ...