Rating: 
Summary: Eye opener
Review: Unlike other technical analysis books, which focus on head-and-shoulders and other patterns and simple things like moving averages, DeMark's "New Science" book provides the reader two valuable things: 1) ready-to-implement technical indicators that can be programmed (assuming you have access to the necessary data), and 2) ideas for further research. My personal experience is that I haven't made any money using his indicators. For example, the Sequential indicator used to work but after the Internet bubble I've lost money with this indicator. But it did give me some ideas and made me look beyond things like double bottom which are even less reliable, not to mention difficult to implement.
If you are into trading system building and/or using formulas to create indicators, this is a must-read.
Rating: 
Summary: Successful traders do use market timing to trade!!
Review: We are a client of the author. We manage a few billion dollars and have some of the best returns in the industry. Contrary to what the previous reviewer cavalierly and erroneously states to be fact, profitable funds use market timing and technical analysis to time their tades. This practive distinguishes the successful funds from those that quickly fold. The reviewer was naive and obvioulsy has no knowledge of how institutional traders operate. He, above all others, should familiarize himself with the techniques and methods presented in this book since they work and differentiate good from bad trades!The naivete he expresses makes it obvious he is truly a rookie in the investment business.
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