Capital market efficiency

They are explained in chapter 2 of our free lecture notes.

Dear Tutor, A review of the question below gives the answer as (A) - Not efficient at all. Could you please explain the rationale behind this. I would have thought the answer should be Weak form efficient - B Gurdip plots the historic movements of share prices and uses this analysis to make her investment decisions. To what extent does Gurdip believe capital markets to be efficient? A Not efficient at all B Weak form efficient C Semi-strong form efficient D Strong form efficient

Weak form efficiency is when share prices are affected when information next reaches the market. See Chapter 2 of our free lecture notes.