In the Single$-$index CAPM model, the Alpha tells us$?$

a$)$ exactly what a stock will return in the future

b$)$ the market component of return movement

c$)$ an estimate of the responsiveness of the stock to the overall market

d$)$ the systematic component of the stock return

e$)$ the abnormal performance of the stock $($or portfolio$),$ in other words the

expected excess return on the stock if the market return is zero. We would

like positive and significant Alphas.

f$)$ b$,$ c$,$ and d are all correct, but not a and e