Trading with Renko Charts David Weis is a trader and market analyst with over 45 years’ experience. During this time, he served as Director of Technical Research for ContiCommodities. He is the former editor of The Elliott Wave Commodity Letter published by Robert Prechter. Later he edited and published his Technical Forces, a monthly commodity letter that dealt with price/volume behavior. He is the co-author of Charting the Stock Market:
The Wyckoff Method and in 2013 wrote Trades About To Happen: A Modern Adaptation of the Wyckoff Method. He is the developer of the Weis Wave, a powerful tool that reveals the changes in behavior that occur at market turning points. He also writes the Stock Market Update, a free nightly report centered around S&P futures.
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