MDU Resources Group Inc. (MDU) Historical Prices

Historical Data for MDU Resources Group Inc. (MDU) 
$ 21.70   -0.12 (-0.55%) Volume: 480.16 k 4:02 PM EST Feb 10, 2012
After Hours:  $ 21.70 0.00 (0.00%) Volume: 11 k 4:50 PM EST Feb 10, 2012
Start:              End:      
Date Open High Low Close Volume Chg % Chg Adj. Close
2/10/12 21.67 21.70 21.53 21.70 480,164 -0.12 -0.55% 21.70
2/9/12 21.73 21.83 21.57 21.82 643,373 0.17 0.79% 21.82
2/8/12 21.60 21.67 21.49 21.65 570,440 0.03 0.14% 21.65
2/7/12 21.38 21.69 21.25 21.62 416,389 0.16 0.75% 21.62
2/6/12 21.57 21.60 21.37 21.46 365,677 -0.09 -0.42% 21.46
2/3/12 21.51 21.65 21.3001 21.55 709,371 0.24 1.13% 21.55
2/2/12 21.53 21.75 21.20 21.31 1,029,721 -0.16 -0.75% 21.31
2/1/12 21.49 21.75 21.43 21.47 949,356 0.09 0.42% 21.47
1/31/12 21.35 21.55 21.19 21.38 1,470,211 0.21 0.99% 21.38
1/30/12 21.43 21.43 21.15 21.17 640,145 -0.34 -1.58% 21.17
1/27/12 21.57 21.7296 21.43 21.51 476,643 -0.17 -0.78% 21.51
1/26/12 21.73 21.77 21.55 21.68 499,754 0.02 0.09% 21.68
1/25/12 21.47 21.68 21.24 21.66 752,336 0.23 1.07% 21.66
1/24/12 21.33 21.73 21.33 21.43 480,241 -0.05 -0.23% 21.43
1/23/12 21.61 21.83 21.45 21.48 619,389 -0.05 -0.23% 21.48
1/20/12 21.53 21.66 21.43 21.53 529,097 -0.01 -0.05% 21.53
1/19/12 21.68 21.68 21.37 21.54 483,735 -0.12 -0.55% 21.54
1/18/12 21.39 21.66 21.34 21.66 446,413 0.13 0.60% 21.66
1/17/12 21.59 21.65 21.48 21.53 286,179 0.12 0.56% 21.53
1/13/12 21.57 21.74 21.30 21.41 449,983 -0.40 -1.83% 21.41
1/12/12 21.71 21.94 21.68 21.81 608,695 -0.02 -0.09% 21.81
1/11/12 21.50 21.87 21.3807 21.83 701,113 0.33 1.53% 21.83