On the first day of class, the professor claimed that this course would AAPL, GOOGLE or FB is not a fruitful approach to building wealth. Which of the following BEST explains why? provide i nsight as to why spending time to find the next O Markets are semi-strong form efficient so it's not possible for stocks to have very large positve alphas such as that exhibited by AAPL. GOOGLE or FB Markets are likely semi-strong efficient preventing investors from gaining the advantage needed to find the next high flying stock. Finding such a stock would be random and a large single investment exposes investors to signif?cant idiosyncratic risk for which there is no compensation. O All these are valid explanations O Investors have different risk tolerances. Given the high degree of idiosyncratic risk assoicated with holding an undiversihed portfolio of potentially high flying stocks, only risk averse investors would attempt such a strategy