S&P 400 MidCap index Advance-Decline line achieves a new 52-week high on Wednesday August 5 scroll down on this daily chart to see the MidCap cumulative A-D http://stockcharts.com/c-sc/sc?s=%21ADLINESPX&p=D&yr=0&mn=4&dy=0&i=p23825448009&a=705248095&r=1595376862604