17. An investor has $600 invested in stock X and $1,200 invested in stock Y. What is the portfolio weight of stock Y? a. 27% b. 33% C. 38% d. 67% 18. An asset that plots below the security market line: a. is inefficient. b. is underpriced. c. has a return that is too high for its level of total risk. d. is overpriced. 19. According to the dividend signaling theory, when a firm increases its dividend: a. investors bid the price up because they get extra cash today. b. the price rises because the stock becomes more risky c. investors expect that the long-term stream of future cash flows will be higher. d. investors expect that the firm will soon repurchase some of its shares