
Technical | Analysis page 368 | https://thedailydialectics.com/pdfs/economics/Technical_Analysis/Technical_Analysis.pdf
Chapter 16 Pointand-Figure Chart Patterns 339 closing prices are used, but more often the high and low are interpreted as representing price flow during the trading day. Earl Blumenthal, the originator of the Chartcraft Service, devised and marketed the three- box reversal method starting in 1947.…