With all the financial models and tools that are available, one might believe that finance and market behaviors are fully determined. This is the "random walk" theory of market behavior. All events are instant "priced-in" and the fluctuations are random. Yet, there are legions of individuals who follow trading systems to "beat the market". So what's your view is market trading a hopeless zero-sum game? Are the Random-walker's right? Or is there something more to market behavior?

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