Question: The fact that empirically, we can prove that price changes (returns) are random and completely unpredictable in active markets must mean that the army of

The fact that empirically, we can prove that price changes (returns) are random and completely unpredictable in active markets must mean that the army of financial analysts, arbitrageurs and speculators who are frantically working to find opportunities to make money (beat the market) must be wasting their time and resources. Argue

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