Technical Analysis Is Simple in Theory—Difficult in PracticeRules-Based Trading: Automated Strategy Trading versus Discretionary TradingBalance versus Imbalance: Distinguishing the Two Phases of Market ActivityThere Are Only Three Market Segments: Nontrending, Uptrending, and DowntrendingFour Market Participants—and Then a Fifth ...Market ProfileMarket Movement: The Four Steps of Market ActivityMarket StructureThe Relative Speed of the Market's Building-Block ComponentsVertical Nondevelopment (“Minus Development”)Simplifying Market ProfileTAS PRO VAP MapRules-Based Trading and Analysis with TAS PRO NavigatorTAS PRO Indicator Application ExamplesConclusion