Assume that markets are weak-form efficient, but not semi-strong form or strong form efficient. Which of the following statements is most correct?

a. Each common stock has an expected return equal to that of the overall market.

b. Bonds and stocks have the same expected return.

c. Investors can expect to earn super-normal returns if they have access to public information.

d. Investors may be able to earn super-normal returns if they have access to information that has not been publicly revealed.

e. Statements c and d are correct.