Question: If prices do not instantaneously adjust to and fully reflect the public news announcements relative to a stock, which of the following is false? Select

If prices do not instantaneously adjust to and fully reflect the public news announcements relative to a stock, which of the following is false?

Select one:

a.This is a violation of weak-form efficiency.

b.Some investors may be able to make an abnormal return from this price behavior.

c.It will be possible to create a trading rule based on the news announcements.

d.This is a violation of semi-strong form efficiency.

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