Dow Theory Explained: What It Is and How It Works

Jeffrey Hirsch, Editor-In-Chief of 'The Stock Trader's Almanac'

A 25-year Wall Street veteran, Jeffrey Hirsh is also the editor-in-chief of Seasonal Sector Trades and Almanac Investor eNewsletter at www.stocktradersalmanac.com and author of "The Little Book of Stock Market Cycles" and "Super Boom: Why the Dow Will Hit 38,820 and How You Can Profit from It." He is a 25-year veteran of Wall Street and took over from founder Yale Hirsch in 2001.