EDMUND TABELL
TO predict the course of the stock market, Wall Streeters have tried everything from the height of tides to the frequency of sunspots. The most practical tools are charts that show the price changes of individual stocks as well as the action of the market as a whole. Chartists are powers in the Street; on what their charts show, institutions, mutual funds and thousands of individual investors buy and sell. In this select group of experts, who can often send a stock zipping upor down the leading chartist is generally recognized to be Edmund W. Tabell, 55, the tall (6...