%0 Journal Article %A Charles A. Akemann %A Werner E. Keller %T Relative Strength does Persist! %D 1977 %R 10.3905/jpm.1977.408622 %J The Journal of Portfolio Management %P 38-45 %V 4 %N 1 %U https://jpm.pm-research.com/content/iijpormgmt/4/1/38.full.pdf