Walter Murphy @waltergmurphy 10 hours ago Today marked only the second time this year that the SP 500 daily cumulative a-d line was negative on consecutive days. ====================== S&P 500 index net Advance-Decline line - http://stockcharts.com/h-sc/ui?s=%21ADLINESPX&p=D&st=2018-05-01&id=p6892084114c&a=644369805