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> the efficient market hypothesis states that asset prices reflect all current available information.

Obviously interpretations of that information could differ... and some will be right, and some will be wrong.

Sure, individual evaluations of all currently available information can and do differ. The efficient market hypothesis is about the sum total of all those individual evaluations adding up to a rational evaluation as reflected in asset prices. Not everyone believes in the efficient market hypothesis, Warren Buffet being a famous example of someone who does not.

Of course he doesn't. His existence invalidates it.

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