You have been provided with the following data on the securities of two firms (firm D and firm G), the market portfolio and the risk-free asset:

Security	ri	i	iM	i
D	0.18	X1	0.25	0.80
G	X2	0.29	0.40	X4
Market	0.14	0.12	X3	1.00
Risk-free asset	0.03	X6	0.00	X5

where r_i is the average realized return of asset i in the recent past (equal to its expected return today), _i is the standard deviation of asset i's returns, _iM is the correlation of asset i's returns with the market returns and _i is the beta of asset i. Assume the CAPM holds true.

Provide an evaluation of the investment performance for stock D and make a justified investment recommendation.