BA	FB
-0.01209	-0.00981
0.002052	-0.00471
-0.005	0.015101
0.003963	0.006353
0.003492	0.000879
0.003253	-0.0016
0.005702	-0.00144
0.005443	0.00016
0.000752	-0.00016
0.01172	-0.00785
0.002525	-0.00484
-0.00207	0.008678
0.002078	-0.0037
-0.00415	-0.00282
0.004091	0.004775
-0.0063	0.001772
-0.00634	-0.00716
-0.00233	0.00332
-0.00564	0.008637
0.005067	0.012644
-0.01573	-0.00553
-0.0104	0.002225
0.003476	0.000396
0.0097	0.002695
0.013952	0.025452
-0.00263	0.010175
0.00196	-0.00595
-0.03288	-0.02433
0.012371	0.01251
-0.01045	-0.0115
-0.00847	0.004402
0.000783	0.004539
-0.00837	0.00561
0.006156	-0.00325
0.002432	-7.8E-05
0.021676	0.010106
0.010034	0.001077
-0.00068	-0.0163
-0.00918	-0.00508
0.005744	0.01084
0.00693	0.004196
-0.00908	-0.00882
0.005419	0.001405
0.004858	0.003898
-0.00098	-0.0045
0.018223	0.002184
-0.00178	0.002102
-0.00424	0.001942
0.014867	0.009691
-0.01546	-0.01044
-0.00434	0.001319
0.001652	-0.00953
0.0009	0.000469
0.003745	-0.00266
0.008209	0.008076
0.007994	0.011978
-0.0025	-0.00085
-0.00155	0.015923
0.013419	0.009162
0.011422	-0.00743
0.0469	-0.00945
-0.01532	-0.0103
-0.00209	0.012337
-0.00406	-0.00228

calculate the mean daily return, Variance and standard deviation for each stock?