American Superconductor Corp (NQ: AMSC)
1.540 USD  +0.060 (+4.05%)
Official Closing Price  /  Updated: 8:10 PM EDT, Sep 19, 2014  /  Add to My Watchlist      
Historical Prices
Date Open High Low Close Volume Change (%)
Sep 19, 2014 1.480 1.540 1.431 1.540 743,222 +0.06(+4.05%)
Sep 18, 2014 1.500 1.520 1.480 1.480 134,059 +0.00(+0.00%)
Sep 17, 2014 1.490 1.520 1.470 1.480 196,787 -0.01(-0.67%)
Sep 16, 2014 1.530 1.530 1.470 1.490 463,459 -0.01(-0.67%)
Sep 15, 2014 1.620 1.620 1.480 1.500 450,626 -0.11(-6.83%)
Sep 12, 2014 1.600 1.639 1.600 1.610 270,312 +0.04(+2.55%)
Sep 11, 2014 1.480 1.620 1.480 1.570 774,164 +0.06(+3.97%)
Sep 10, 2014 1.500 1.520 1.490 1.510 393,931 -0.01(-0.66%)
Sep 09, 2014 1.530 1.590 1.510 1.520 335,885 -0.04(-2.56%)
Sep 08, 2014 1.590 1.650 1.550 1.560 650,263 -0.07(-4.29%)
Sep 05, 2014 1.580 1.630 1.570 1.630 281,914 -0.01(-0.61%)
Sep 04, 2014 1.710 1.710 1.540 1.640 2,196,626 -0.10(-5.75%)
Sep 03, 2014 1.730 1.800 1.720 1.740 565,487 -0.05(-2.79%)
Sep 02, 2014 1.800 1.800 1.740 1.790 337,527 +0.02(+0.85%)
Aug 29, 2014 1.775 1.775 1.775 0 +0.01(+0.85%)
Aug 28, 2014 1.760 1.770 1.750 1.760 291,204 -0.03(-1.40%)
Aug 27, 2014 1.830 1.850 1.778 1.785 538,258 -0.03(-1.92%)
Aug 26, 2014 1.840 1.860 1.830 1.820 275,287 +0.00(+0.00%)
Aug 25, 2014 1.810 1.870 1.790 1.820 518,129 +0.01(+0.55%)
Aug 22, 2014 1.840 1.890 1.815 1.810 731,154 -0.04(-2.16%)
Aug 21, 2014 2.000 2.050 1.830 1.850 1,396,148 -0.02(-1.07%)
Aug 20, 2014 1.810 1.890 1.810 1.870 335,891 +0.03(+1.63%)
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%)
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