50day sma for SPX, OEX, COMPQ, NDX, RUT, INDU - two charts stockcharts.com/c-sc/sc?s=$spx&p=d&st=2011-01-01&en=28today29&id=p85010243642&a=215598152 50day ema's - stockcharts.com/c-sc/sc?s=$spx&p=d&st=2011-01-01&en=28today29&id=p16473274951&a=228975084