Insiders are able to profitably trade and earn abnormal returns prior to the announcement of positive news. This is a violation of which form of efficiency?

Insiders are able to profitably trade and earn abnormal returns prior to the announcement of positive news. This is a violation of which form of efficiency? 




A. Weak-form efficiency

B. Semistrong-form efficiency

C. Strong-form efficiency

D. Technical analysis







Answer: C


Investment Finance

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