Question: What does weak form efficiency imply? A. Abnormal returns will disappear within a trading day. B. Price patterns that existed in the past will reappear

What does weak form efficiency imply?

A. Abnormal returns will disappear within a trading day.

B. Price patterns that existed in the past will reappear in the future.

C. Past price movement is unrelated to the movement of future prices.

D. Portfolio diversification is ineffective as all prices are interrelated.

E. Investors cannot earn abnormal profits based on any publicly available information.

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