American Superconductor Corp (NQ: AMSC)
1.870 USD  +0.030 (+1.63%)
Official Closing Price  /  Updated: 5:20 PM EDT, Aug 20, 2014  /  Add to My Watchlist      
Historical Prices
Date Open High Low Close Volume Change (%)
Aug 19, 2014 1.750 1.885 1.750 1.840 798,194 +0.09(+5.14%)
Aug 18, 2014 1.760 1.776 1.740 1.750 360,490 +0.01(+0.57%)
Aug 15, 2014 1.750 1.790 1.700 1.740 382,114 +0.01(+0.58%)
Aug 14, 2014 1.710 1.750 1.690 1.730 366,853 +0.02(+1.17%)
Aug 13, 2014 1.800 1.800 1.710 1.710 609,412 -0.06(-3.39%)
Aug 12, 2014 1.750 1.780 1.720 1.770 257,070 +0.03(+1.72%)
Aug 11, 2014 1.760 1.800 1.730 1.740 274,066 -0.02(-1.14%)
Aug 08, 2014 1.800 1.830 1.730 1.760 599,398 -0.04(-2.22%)
Aug 07, 2014 1.670 1.820 1.670 1.800 669,587 +0.09(+5.26%)
Aug 06, 2014 1.700 1.740 1.660 1.710 648,920 -0.02(-1.16%)
Aug 05, 2014 1.900 1.900 1.710 1.730 2,340,251 -0.27(-13.50%)
Aug 04, 2014 1.940 2.010 1.900 2.000 714,249 +0.07(+3.63%)
Aug 01, 2014 1.970 2.020 1.880 1.930 958,032 -0.06(-3.02%)
Jul 31, 2014 2.050 2.090 1.980 1.990 793,426 -0.04(-1.97%)
Jul 30, 2014 2.140 2.150 2.000 2.030 1,027,263 -0.07(-3.33%)
Jul 29, 2014 1.850 2.150 1.850 2.100 2,709,574 +0.23(+12.30%)
Jul 28, 2014 1.890 1.900 1.850 1.870 507,383 -0.02(-1.06%)
Jul 25, 2014 1.900 1.905 1.850 1.890 571,418 -0.01(-0.53%)
Jul 24, 2014 1.900 1.930 1.870 1.900 644,626 +0.00(+0.00%)
Jul 23, 2014 1.970 2.000 1.890 1.900 862,675 -0.06(-3.06%)
Jul 22, 2014 1.870 2.000 1.851 1.960 1,170,245 +0.10(+5.38%)
Jul 21, 2014 1.850 1.930 1.830 1.860 1,504,082 -0.01(-0.53%)
Jul 18, 2014 1.880 1.940 1.860 1.870 1,327,815 -0.05(-2.60%)
Jul 17, 2014 1.970 2.040 1.860 1.920 3,423,036 -0.14(-6.80%)
Jul 16, 2014 1.780 2.100 1.750 2.060 11,412,192 +0.45(+27.95%)
Jul 15, 2014 1.720 1.740 1.600 1.610 559,994 -0.11(-6.40%)
Jul 14, 2014 1.670 1.720 1.640 1.720 737,204 +0.09(+5.52%)
Jul 11, 2014 1.600 1.690 1.550 1.630 1,126,866 +0.05(+3.16%)
Jul 10, 2014 1.550 1.600 1.530 1.580 369,793 +0.01(+0.64%)
Jul 09, 2014 1.550 1.610 1.550 1.570 499,265 +0.00(+0.00%)
Jul 08, 2014 1.550 1.620 1.520 1.570 727,670 +0.00(+0.00%)
Jul 07, 2014 1.620 1.620 1.560 1.570 671,609 -0.05(-3.09%)
Jul 03, 2014 1.620 1.620 1.620 0 -0.07(-4.14%)
Jul 02, 2014 1.780 1.780 1.660 1.690 883,158 -0.03(-1.74%)
Jul 01, 2014 1.610 1.760 1.600 1.720 2,071,495 +0.09(+5.52%)
Jun 30, 2014 1.560 1.690 1.530 1.630 2,018,784 +0.10(+6.54%)
Jun 27, 2014 1.460 1.530 1.440 1.530 7,761,161 +0.07(+4.79%)
Jun 26, 2014 1.450 1.490 1.440 1.460 434,658 +0.02(+1.39%)
Jun 25, 2014 1.450 1.490 1.430 1.440 489,030 -0.01(-0.69%)
Jun 24, 2014 1.530 1.540 1.450 1.450 710,281 -0.08(-5.23%)
Jun 23, 2014 1.580 1.590 1.520 1.530 522,320 -0.02(-1.29%)
Jun 20, 2014 1.610 1.610 1.540 1.550 639,982 -0.04(-2.82%)
Jun 19, 2014 1.570 1.640 1.570 1.595 407,035 +0.03(+1.59%)
Jun 18, 2014 1.590 1.590 1.510 1.570 359,958 +0.00(+0.00%)
Jun 17, 2014 1.580 1.650 1.510 1.570 861,557 -0.04(-2.48%)
Jun 16, 2014 1.510 1.680 1.510 1.610 2,286,583 +0.11(+7.33%)
Jun 13, 2014 1.460 1.520 1.400 1.500 1,004,377 +0.10(+7.14%)
Jun 12, 2014 1.390 1.450 1.370 1.400 578,726 +0.01(+1.08%)
Jun 11, 2014 1.350 1.400 1.350 1.385 348,840 +0.03(+1.84%)
Jun 10, 2014 1.380 1.380 1.350 1.360 237,488 -0.03(-2.16%)
Jun 06, 2014 1.410 1.430 1.370 1.390 442,291 +0.01(+0.72%)
Jun 05, 2014 1.360 1.470 1.350 1.380 1,145,009 +0.02(+1.47%)
Jun 04, 2014 1.310 1.360 1.300 1.360 551,817 +0.05(+3.82%)
Jun 03, 2014 1.360 1.360 1.310 1.310 466,904 -0.05(-3.68%)
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