Assume that the CAPM is a good description of stock price returns. The market expected return is 7% with 10% volatility and the risk-free rate is 3%. New news arrives that does not change any of these numbers but it does change the expected return of the following stocks

	Expected Return	Volatility	Beta
Green Leaf	12%	20%	1.50
NatSam	10%	40%	1.80
HanBel	9%	30%	0.75
Rebecca Automobile	6%	35%	1.20

a. At current market prices, which stocks represent buying opportunities?

b. On which stocks should you put a sell order in?

What are the Alpha % for each stock