2. True or False. Stock A's beta is 2 times Stock B's beta. Therefore, Stock A's expected return is twice Stock B's expected return. 3. If a trader can earn abnormal returns, using only a chart of historical prices and volumes on a security, this is a violation of ... a. The strong form of the efficient market hypothesis b. The semi-strong form of the efficient market hypothesis c. The weak form of the efficient market hypothesis d. All of the above