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Joe bought a stock at $$57$ per share. The price promptly fell to $$55.$ Joe held an to the stock untll it again reached $$57,$ and then he spld it once he had eliminated the loss. If other investors do the same to establish a trading pattern, this would contradict

Multiple Cholce

the semistrong$-$form EMH $($but not weak$-$form$)$

the weak$-$form EMH

the strong$-$form EMH $($but not semistrong$-$form or weak$-$form$)$

technical analysis