Below are some statements related to the graph. Which statement(s) below is (are) correct? Choose all correct answer(s). 15% OGM Market Portfolio . } Security Market Line 10% Expected Return IBM Exxon Mobio Risk-Free 5% Investment effect of news Anheuser- Busch - effect of trade -0.50 0.00 0.50 1.00 1.50 2.00 Beta IBM has a negative alpha because its expected return is below the normal return; investors can short-sell IBM shares to profit from this opportunity Buying pressure will push up the share price and reduce its expected return; while selling pressure will reduce the share price and increase its expected return. IBM has a negative alpha because its historical return is below the normal return; investors can buy IBM shares to profit from this opportunity Buying pressure will push up the share price and increase its expected return; while selling pressure will reduce the share price and reduce its expected return