techcharter... It seems that drop towards the end of the day came right down to a diagonal trendline. A break down from there could lead to the horizontal support: <A HREF="http://stockcharts.com/def/servlet/SC.web?c=$SPX,uu[h,a]gaclyyay[d20][p][vc60][iua12,26,9][J38589116,Y]&pref=G" target="_blank">http://stockcharts.com/def/servlet/SC.web?c=$SPX,uu[h,a]gaclyyay[d20][p][vc60][iua12,26,9][J38589116...</A>