$AMSC: American Superconductor Corporation - Common Stock
2026-04-20 AMSC 2026-04-20 00:01:58 0.00 0.00 5.19% AMSC 2026-04-20 04:01:30 41.30 38.86 -1.98% AMSC 2026-04-20 05:01:37 39.35 39.00 -1.98% AMSC 2026-04-20 07:01:30 40.41 38.93 -1.79% AMSC 2026-04-20 08:01:35 39.15 38.90 -1.58% AMSC 2026-04-20 09:01:27 39.63 39.09 -1.32% AMSC 2026-04-20 10:01:28 39.58 39.40 -0.55% AMSC 2026-04-20 11:01:20 39.07 38.93 -1.87% AMSC 2026-04-20 12:01:31 40.24 40.13 1.32% AMSC 2026-04-20 13:01:30 40.64 40.54 2.37% AMSC 2026-04-20 14:01:33 40.69 40.57 2.61% AMSC 2026-04-20 15:01:35 40.69 40.64 2.50% AMSC 2026-04-20 16:01:20 41.00 40.20 2.57% AMSC 2026-04-20 17:01:30 41.00 40.78 2.69% AMSC 2026-04-20 18:01:35 41.00 40.65 2.97% AMSC 2026-04-20 19:02:12 41.00 40.68 2.97% AMSC 2026-04-20 20:01:45 0.00 0.00 2.97% 2026-04-21 AMSC 2026-04-21 04:01:41 41.00 40.75 2.97% AMSC 2026-04-21 05:01:29 41.61 40.86 0.45% AMSC 2026-04-21 06:01:25 41.14 39.10 0.83% AMSC 2026-04-21 07:01:22 41.28 41.00 1.11% AMSC 2026-04-21 08:01:27 41.70 41.31 1.56% AMSC 2026-04-21 09:01:23 41.71 41.17 1.84% AMSC 2026-04-21 10:01:27 41.80 41.60 2.22% AMSC 2026-04-21 11:01:20 41.87 41.80 2.77% AMSC 2026-04-21 12:01:32 42.56 42.45 4.48% AMSC 2026-04-21 13:01:30 41.47 41.37 1.84% AMSC 2026-04-21 14:01:30 41.70 41.62 2.34% AMSC 2026-04-21 15:01:47 41.30 41.23 1.28% AMSC 2026-04-21 16:01:39 42.36 42.11 3.27% AMSC 2026-04-21 17:01:17 42.35 41.95 3.81% AMSC 2026-04-21 18:01:35 42.99 42.60 5.06% AMSC 2026-04-21 19:01:40 43.67 43.49 6.83% AMSC 2026-04-21 20:01:28 0.00 0.00 6.63% 2026-04-22 AMSC 2026-04-22 04:01:41 45.00 43.50 3.88% AMSC 2026-04-22 05:01:39 44.36 42.00 5.11% AMSC 2026-04-22 06:01:31 43.71 43.00 3.78% AMSC 2026-04-22 07:01:32 43.37 43.00 2.90% AMSC 2026-04-22 08:01:36 43.90 43.68 4.81% AMSC 2026-04-22 09:01:27 43.51 43.40 3.88% AMSC 2026-04-22 10:01:30 46.03 45.78 9.65% AMSC 2026-04-22 11:01:39 45.59 45.42 8.62% AMSC 2026-04-22 12:02:55 45.20 45.10 7.88% AMSC 2026-04-22 13:01:31 45.49 45.44 8.69% AMSC 2026-04-22 14:01:24 45.63 45.54 9.01% AMSC 2026-04-22 15:01:43 46.93 46.77 12.25% AMSC 2026-04-22 16:01:54 48.76 48.65 16.27% AMSC 2026-04-22 17:01:40 49.50 49.00 17.82% AMSC 2026-04-22 18:01:38 49.49 49.05 17.82% AMSC 2026-04-22 19:01:43 51.80 51.00 23.61% AMSC 2026-04-22 20:01:46 0.00 0.00 23.35% 2026-04-23 AMSC 2026-04-23 04:02:00 51.00 50.61 6.56% AMSC 2026-04-23 05:01:41 50.93 49.60 4.44% AMSC 2026-04-23 06:01:53 50.87 50.03 4.96% AMSC 2026-04-23 07:01:32 50.38 49.51 5.18% AMSC 2026-04-23 08:01:29 51.69 51.25 8.16% AMSC 2026-04-23 09:01:28 52.50 52.00 9.64% AMSC 2026-04-23 10:01:24 46.65 46.59 -3.67% AMSC 2026-04-23 11:02:00 47.45 47.26 -1.96% AMSC 2026-04-23 12:01:42 47.43 47.36 -1.72% AMSC 2026-04-23 13:01:40 46.01 45.90 -5.29% AMSC 2026-04-23 14:01:44 46.19 46.04 -4.79% AMSC 2026-04-23 15:01:36 45.33 45.26 -6.75% AMSC 2026-04-23 16:01:37 46.68 46.15 -3.26% AMSC 2026-04-23 17:01:39 46.60 46.18 -3.43% AMSC 2026-04-23 18:01:39 47.00 46.66 -2.39% AMSC 2026-04-23 19:01:46 47.17 46.69 -2.39% AMSC 2026-04-23 20:01:42 0.00 0.00 -1.56% 2026-04-24 AMSC 2026-04-24 04:01:46 48.59 46.47 1.56% AMSC 2026-04-24 05:01:38 47.40 47.01 1.99% AMSC 2026-04-24 06:01:39 47.22 46.47 2.08% AMSC 2026-04-24 07:01:30 48.40 47.90 4.30% AMSC 2026-04-24 08:01:30 48.19 47.63 3.49% AMSC 2026-04-24 09:01:26 47.97 47.53 3.03% AMSC 2026-04-24 10:01:32 46.98 46.64 1.25% AMSC 2026-04-24 11:01:23 47.72 47.63 3.09% AMSC 2026-04-24 12:01:34 49.14 49.04 6.09% AMSC 2026-04-24 13:01:28 49.09 48.98 6.04% AMSC 2026-04-24 14:01:27 50.02 49.87 7.93% AMSC 2026-04-24 15:01:39 50.32 50.15 8.52% AMSC 2026-04-24 16:01:31 49.85 48.86 7.24% AMSC 2026-04-24 17:01:59 50.00 49.31 7.82% AMSC 2026-04-24 18:01:40 50.00 49.88 8.34% AMSC 2026-04-24 19:02:01 50.57 50.01 8.49% AMSC 2026-04-24 20:02:07 0.00 0.00 9.01% 2026-04-27 AMSC 2026-04-27 04:01:47 52.82 51.95 5.76% AMSC 2026-04-27 05:01:30 52.25 51.51 5.35% AMSC 2026-04-27 06:01:28 52.59 52.15 5.98% AMSC 2026-04-27 07:01:35 53.67 52.45 9.12% AMSC 2026-04-27 08:01:26 54.00 53.75 9.82% AMSC 2026-04-27 09:01:24 54.00 53.60 9.58% AMSC 2026-04-27 10:01:25 47.74 47.61 -3.90% AMSC 2026-04-27 11:01:26 47.56 47.39 -4.20% AMSC 2026-04-27 12:01:27 47.01 46.89 -5.35% AMSC 2026-04-27 13:01:20 49.13 48.99 -0.89% AMSC 2026-04-27 14:01:30 49.68 49.50 0.35% AMSC 2026-04-27 15:01:27 49.38 49.26 -0.35% AMSC 2026-04-27 16:01:35 50.69 49.50 0.49% AMSC 2026-04-27 17:01:25 50.04 49.90 1.03% AMSC 2026-04-27 18:01:14 50.37 50.00 1.54% AMSC 2026-04-27 19:01:24 50.30 50.11 1.48% AMSC 2026-04-27 20:01:18 0.00 0.00 1.88% 2026-04-28 AMSC 2026-04-28 04:01:29 50.99 48.95 -1.31% AMSC 2026-04-28 05:01:21 49.65 49.27 -0.06% AMSC 2026-04-28 06:01:21 49.00 48.62 -1.68% AMSC 2026-04-28 07:01:23 48.49 48.20 -2.51% AMSC 2026-04-28 08:01:25 48.09 47.56 -4.04% AMSC 2026-04-28 09:01:20 48.35 47.87 -3.23% AMSC 2026-04-28 10:01:17 47.78 47.65 -3.96% AMSC 2026-04-28 11:01:18 46.46 46.19 -6.93% AMSC 2026-04-28 12:01:19 47.26 47.13 -4.89% AMSC 2026-04-28 13:01:33 46.72 46.57 -6.10% AMSC 2026-04-28 14:01:23 46.61 46.48 -6.27% AMSC 2026-04-28 15:01:22 47.49 47.40 -4.47% AMSC 2026-04-28 16:01:27 47.99 47.44 -4.09% AMSC 2026-04-28 17:01:31 47.99 47.50 -4.09% AMSC 2026-04-28 18:02:39 47.83 47.50 -3.67% AMSC 2026-04-28 19:01:35 47.80 47.50 -4.01% AMSC 2026-04-28 20:01:33 0.00 0.00 -3.81% 2026-04-29 AMSC 2026-04-29 04:01:34 49.20 47.83 1.01% AMSC 2026-04-29 05:01:22 49.40 47.64 0.58% AMSC 2026-04-29 06:01:23 47.86 47.48 0.30% AMSC 2026-04-29 07:01:24 47.86 47.60 0.56% AMSC 2026-04-29 08:01:21 48.00 47.60 1.01% AMSC 2026-04-29 09:01:24 48.03 47.56 1.01% AMSC 2026-04-29 10:01:22 47.54 47.34 -0.02% AMSC 2026-04-29 11:01:21 47.97 47.84 0.73% AMSC 2026-04-29 12:01:20 47.38 47.16 -0.34% AMSC 2026-04-29 13:01:23 46.84 46.68 -1.39% AMSC 2026-04-29 14:01:35 47.25 47.06 -0.50% AMSC 2026-04-29 15:01:21 47.45 47.35 -0.28% AMSC 2026-04-29 16:01:25 48.00 46.80 0.51% AMSC 2026-04-29 17:01:34 48.00 46.92 -0.32% AMSC 2026-04-29 18:01:31 47.30 47.01 -0.84% AMSC 2026-04-29 19:01:30 48.50 48.00 -0.40% AMSC 2026-04-29 20:01:34 0.00 0.00 3.60% 2026-04-30 AMSC 2026-04-30 04:01:21 48.04 47.03 -0.82% AMSC 2026-04-30 05:01:22 47.78 47.03 0.04% AMSC 2026-04-30 06:01:25 47.83 47.03 -0.06% AMSC 2026-04-30 07:01:26 50.24 47.33 0.80% AMSC 2026-04-30 08:01:19 48.98 47.45 0.00% AMSC 2026-04-30 09:01:21 48.97 48.32 1.71% AMSC 2026-04-30 10:01:17 48.95 48.52 2.04% AMSC 2026-04-30 11:01:20 51.14 50.94 7.01% AMSC 2026-04-30 12:01:20 52.10 51.93 9.03% AMSC 2026-04-30 13:01:14 51.96 51.77 8.88% AMSC 2026-04-30 14:01:23 52.34 52.22 9.62% AMSC 2026-04-30 15:01:42 52.70 52.60 10.46% AMSC 2026-04-30 16:01:30 53.63 53.08 12.03% AMSC 2026-04-30 17:01:43 53.70 53.54 12.56% AMSC 2026-04-30 18:01:35 54.00 53.75 12.91% AMSC 2026-04-30 19:01:38 54.00 53.75 12.83% AMSC 2026-04-30 20:01:39 0.00 0.00 13.19% 2026-05-01 AMSC 2026-05-01 04:01:31 53.94 53.62 0.23% AMSC 2026-05-01 05:01:27 53.60 53.06 -0.48% AMSC 2026-05-01 06:01:27 53.60 53.00 -1.11% AMSC 2026-05-01 07:01:32 53.60 52.97 -1.11% AMSC 2026-05-01 08:01:28 54.00 53.13 0.08% AMSC 2026-05-01 09:01:21 53.73 53.20 -0.29% AMSC 2026-05-01 10:01:23 53.65 53.44 -0.06% AMSC 2026-05-01 11:02:24 52.30 52.13 -2.91% AMSC 2026-05-01 12:01:26 52.34 52.21 -2.91% AMSC 2026-05-01 13:01:29 52.90 52.81 -1.49% AMSC 2026-05-01 14:01:28 53.05 52.94 -1.13% AMSC 2026-05-01 15:01:26 52.61 52.43 -2.31% AMSC 2026-05-01 16:01:50 52.69 52.28 -2.26% AMSC 2026-05-01 18:01:25 52.75 52.28 -2.05% AMSC 2026-05-01 19:01:47 52.40 52.28 -2.26% AMSC 2026-05-01 20:01:29 0.00 0.00 -2.35% 2026-05-04 AMSC 2026-05-04 04:01:32 53.47 51.50 1.06% AMSC 2026-05-04 05:01:18 53.31 51.50 1.48% AMSC 2026-05-04 06:01:28 52.40 51.50 -0.13% AMSC 2026-05-04 07:01:24 52.96 52.00 -0.28% AMSC 2026-05-04 08:01:19 52.43 52.03 -0.17% AMSC 2026-05-04 09:01:36 52.26 52.15 -0.43% AMSC 2026-05-04 10:02:05 50.60 50.44 -3.87% AMSC 2026-05-04 11:01:26 50.91 50.60 -3.23% AMSC 2026-05-04 12:01:29 48.77 48.51 -7.32% AMSC 2026-05-04 13:01:33 50.09 49.98 -4.63% AMSC 2026-05-04 14:02:14 50.64 50.51 -3.57% AMSC 2026-05-04 15:01:29 50.45 50.31 -3.94% AMSC 2026-05-04 16:01:27 50.60 49.94 -4.42% AMSC 2026-05-04 17:01:36 50.60 50.20 -4.21% AMSC 2026-05-04 18:01:29 50.36 49.94 -4.42% AMSC 2026-05-04 19:01:29 50.19 50.00 -4.70% AMSC 2026-05-04 20:01:38 0.00 0.00 -4.36% 2026-05-05 AMSC 2026-05-05 04:01:53 51.19 49.00 0.69% AMSC 2026-05-05 05:01:49 50.89 50.60 0.65% AMSC 2026-05-05 06:01:21 51.19 50.33 0.42% AMSC 2026-05-05 07:01:25 51.20 50.19 0.08% AMSC 2026-05-05 08:01:21 50.76 50.43 0.27% AMSC 2026-05-05 09:01:25 50.99 50.00 0.78% AMSC 2026-05-05 10:01:21 54.11 53.89 7.12% AMSC 2026-05-05 11:01:22 54.31 54.22 7.66% AMSC 2026-05-05 12:01:39 54.90 54.77 8.74% AMSC 2026-05-05 13:01:33 55.08 54.78 9.10% AMSC 2026-05-05 14:01:28 55.18 55.01 9.10% AMSC 2026-05-05 15:01:26 54.76 54.68 8.40% AMSC 2026-05-05 16:01:29 55.50 54.56 9.40% AMSC 2026-05-05 17:01:20 55.40 54.56 9.50% AMSC 2026-05-05 18:01:22 55.40 55.15 9.98% AMSC 2026-05-05 19:01:34 56.66 55.00 12.47% AMSC 2026-05-05 20:01:39 0.00 0.00 12.33% 2026-05-06 AMSC 2026-05-06 04:01:34 60.00 56.00 2.43% AMSC 2026-05-06 05:01:05 57.19 56.80 3.80% AMSC 2026-05-06 06:01:07 56.99 56.52 3.58% AMSC 2026-05-06 07:01:07 57.89 57.50 5.29% AMSC 2026-05-06 08:01:08 57.03 56.51 4.33% AMSC 2026-05-06 09:01:06 57.18 56.01 2.43% AMSC 2026-05-06 10:01:07 54.91 54.70 -0.40% AMSC 2026-05-06 11:01:09 56.26 56.14 2.21% AMSC 2026-05-06 12:01:12 56.12 56.03 2.17% AMSC 2026-05-06 13:01:08 56.41 56.37 2.76% AMSC 2026-05-06 14:01:25 56.84 56.78 3.60% AMSC 2026-05-06 15:01:24 56.81 56.78 3.54% AMSC 2026-05-06 16:01:15 57.04 56.65 3.11% AMSC 2026-05-06 17:01:18 57.09 56.65 3.73% AMSC 2026-05-06 18:02:24 57.05 56.65 3.56% AMSC 2026-05-06 19:01:04 56.98 56.80 3.76% AMSC 2026-05-06 20:01:13 0.00 0.00 3.18% 2026-05-07 AMSC 2026-05-07 04:01:09 57.36 57.12 3.18% AMSC 2026-05-07 05:01:06 57.26 57.01 0.58% AMSC 2026-05-07 06:01:56 57.41 57.01 0.35% AMSC 2026-05-07 07:01:17 57.48 56.75 -0.13% AMSC 2026-05-07 08:01:11 56.88 56.75 -0.47% AMSC 2026-05-07 09:01:06 56.89 56.01 -1.09% AMSC 2026-05-07 10:01:03 56.17 56.02 -1.82% AMSC 2026-05-07 11:01:06 55.62 55.54 -2.78% AMSC 2026-05-07 12:01:04 53.54 53.40 -6.56% AMSC 2026-05-07 13:01:12 53.61 53.47 -6.54% AMSC 2026-05-07 14:01:09 53.98 53.79 -5.76% AMSC 2026-05-07 15:01:05 53.11 52.95 -7.27% AMSC 2026-05-07 16:01:10 54.00 52.80 -5.43% AMSC 2026-05-07 17:01:08 54.00 52.80 -6.06% AMSC 2026-05-07 18:01:03 53.10 52.59 -7.13% AMSC 2026-05-07 19:01:10 53.55 52.59 -6.24% AMSC 2026-05-07 20:01:08 0.00 0.00 -7.83% 2026-05-08 AMSC 2026-05-08 04:01:13 56.99 53.60 0.95% AMSC 2026-05-08 05:01:19 55.50 54.21 1.80% AMSC 2026-05-08 06:01:10 54.34 53.80 1.61% AMSC 2026-05-08 07:01:15 54.24 53.38 0.93% AMSC 2026-05-08 08:01:04 54.90 53.63 1.38% AMSC 2026-05-08 09:01:03 54.49 54.20 1.54% AMSC 2026-05-08 10:01:02 54.50 54.37 2.07% AMSC 2026-05-08 11:01:25 53.74 53.63 0.88% AMSC 2026-05-08 12:01:10 54.48 54.32 2.07% AMSC 2026-05-08 13:01:05 54.05 53.92 1.44% AMSC 2026-05-08 14:01:06 55.20 55.13 3.49% AMSC 2026-05-08 15:01:08 55.24 55.14 3.42% AMSC 2026-05-08 16:01:09 55.65 55.12 3.61% AMSC 2026-05-08 17:01:10 55.60 54.00 3.74% AMSC 2026-05-08 18:01:03 55.33 54.00 3.36% AMSC 2026-05-08 19:01:08 55.58 54.00 3.48% AMSC 2026-05-08 20:01:13 0.00 0.00 3.48% 2026-05-11 AMSC 2026-05-11 04:01:14 55.39 54.34 -2.22% AMSC 2026-05-11 05:01:04 55.16 54.95 0.06% AMSC 2026-05-11 06:01:05 55.39 54.95 -0.02% AMSC 2026-05-11 07:01:02 55.39 54.65 0.04% AMSC 2026-05-11 08:01:01 55.13 54.77 -0.17% AMSC 2026-05-11 09:01:05 55.05 54.65 -0.98% AMSC 2026-05-11 10:01:04 58.58 58.40 6.20% AMSC 2026-05-11 11:01:03 58.75 58.65 6.65% AMSC 2026-05-11 12:01:12 59.27 59.07 7.52% AMSC 2026-05-11 13:01:10 59.68 59.57 8.27% AMSC 2026-05-11 14:00:58 59.73 59.60 8.36% AMSC 2026-05-11 15:01:17 59.63 59.48 8.36% AMSC 2026-05-11 16:00:59 59.87 58.80 6.47% AMSC 2026-05-11 17:01:12 59.49 58.15 5.60% AMSC 2026-05-11 18:01:12 58.66 58.40 6.05% AMSC 2026-05-11 19:01:16 58.45 58.20 5.89% AMSC 2026-05-11 20:01:07 0.00 0.00 5.71% 2026-05-12 AMSC 2026-05-12 04:01:10 59.29 57.48 -2.19% AMSC 2026-05-12 05:01:09 57.96 57.55 -1.38% AMSC 2026-05-12 06:01:10 60.77 57.97 0.29% AMSC 2026-05-12 07:01:10 58.76 57.96 -1.29% AMSC 2026-05-12 08:01:07 58.25 57.48 -1.74% AMSC 2026-05-12 09:01:11 57.68 57.25 -2.23% AMSC 2026-05-12 10:01:08 55.25 55.01 -6.41% AMSC 2026-05-12 11:01:02 53.40 53.29 -9.77% AMSC 2026-05-12 12:01:07 52.57 52.48 -11.27% AMSC 2026-05-12 13:01:06 52.77 52.70 -10.87% AMSC 2026-05-12 14:01:09 54.15 54.10 -8.33% AMSC 2026-05-12 15:01:07 54.41 54.32 -7.83% AMSC 2026-05-12 16:01:17 55.00 54.50 -6.86% AMSC 2026-05-12 17:01:09 54.84 54.51 -6.59% AMSC 2026-05-12 18:01:04 55.00 54.51 -6.86% AMSC 2026-05-12 19:01:08 54.67 54.45 -7.17% AMSC 2026-05-12 20:01:16 0.00 0.00 -8.02% 2026-05-13 AMSC 2026-05-13 04:01:19 55.80 54.80 0.90% AMSC 2026-05-13 05:01:23 55.70 55.62 1.92% AMSC 2026-05-13 06:01:04 55.70 55.25 0.99% AMSC 2026-05-13 07:01:02 57.78 55.09 1.77% AMSC 2026-05-13 08:01:06 55.95 55.60 2.13% AMSC 2026-05-13 09:01:01 55.20 54.23 -0.26% AMSC 2026-05-13 10:01:06 53.86 53.50 -1.40% AMSC 2026-05-13 11:01:02 54.87 54.79 0.49% AMSC 2026-05-13 12:01:10 54.52 54.42 -0.09% AMSC 2026-05-13 13:01:11 54.29 54.14 -0.61% AMSC 2026-05-13 14:01:03 56.15 56.06 2.74% AMSC 2026-05-13 15:01:02 55.83 55.72 2.16% AMSC 2026-05-13 16:01:11 56.50 55.80 2.40% AMSC 2026-05-13 17:01:16 56.17 55.95 2.75% AMSC 2026-05-13 18:01:09 56.78 55.95 4.00% AMSC 2026-05-13 19:01:10 56.93 55.95 4.44% AMSC 2026-05-13 20:01:13 0.00 0.00 4.53% 2026-05-14 AMSC 2026-05-14 04:01:14 59.98 55.86 4.53% AMSC 2026-05-14 05:01:09 59.98 55.50 -0.18% AMSC 2026-05-14 06:01:05 56.07 55.87 0.51% AMSC 2026-05-14 07:01:10 57.13 55.67 0.39% AMSC 2026-05-14 08:01:05 56.00 55.70 0.64% AMSC 2026-05-14 09:01:12 55.65 55.02 -0.64% AMSC 2026-05-14 10:01:16 54.45 54.02 -2.81% AMSC 2026-05-14 11:01:05 55.01 54.76 -1.32% AMSC 2026-05-14 13:01:10 53.30 53.17 -4.68% AMSC 2026-05-14 14:01:15 53.45 53.38 -4.26% AMSC 2026-05-14 15:01:18 52.86 52.76 -5.38% AMSC 2026-05-14 16:01:03 54.65 54.20 -1.83% AMSC 2026-05-14 17:01:18 54.65 53.90 -2.01% AMSC 2026-05-14 18:01:08 55.00 54.35 -2.19% AMSC 2026-05-14 19:01:07 54.44 53.60 -3.23% AMSC 2026-05-14 20:01:10 0.00 0.00 -1.92% 2026-05-15 AMSC 2026-05-15 04:01:05 54.29 52.85 -2.75% AMSC 2026-05-15 05:01:12 53.15 51.30 -3.32% AMSC 2026-05-15 06:01:02 53.00 52.32 -4.22% AMSC 2026-05-15 07:01:10 53.95 52.89 -1.44% AMSC 2026-05-15 08:01:07 54.00 52.30 -3.48% AMSC 2026-05-15 09:01:05 51.70 51.06 -6.41% AMSC 2026-05-15 10:01:07 53.81 53.33 -2.05% AMSC 2026-05-15 11:01:16 53.17 53.00 -2.75% AMSC 2026-05-15 12:01:02 53.48 53.20 -2.46% AMSC 2026-05-15 13:01:09 54.21 54.05 -0.95% AMSC 2026-05-15 14:01:01 54.50 54.34 -0.48% AMSC 2026-05-15 15:01:10 54.77 54.60 0.09% AMSC 2026-05-15 16:01:10 55.00 53.55 0.55% AMSC 2026-05-15 17:01:09 55.05 54.79 0.55% AMSC 2026-05-15 18:01:13 55.12 54.79 0.66% AMSC 2026-05-15 19:01:13 54.99 54.79 0.53% AMSC 2026-05-15 20:01:14 0.00 0.00 0.16% 2026-05-18 AMSC 2026-05-18 04:01:14 55.55 54.00 0.16% AMSC 2026-05-18 05:01:17 55.50 54.64 0.16% AMSC 2026-05-18 06:01:18 55.50 54.68 -0.11% AMSC 2026-05-18 07:01:05 55.06 53.81 -1.96% AMSC 2026-05-18 08:01:09 54.50 54.01 -1.33% AMSC 2026-05-18 09:01:16 55.24 54.82 -0.44% AMSC 2026-05-18 10:01:01 51.04 50.75 -7.44% AMSC 2026-05-18 11:01:05 50.10 50.00 -9.20% AMSC 2026-05-18 12:01:11 50.12 49.99 -9.12% AMSC 2026-05-18 13:01:12 49.59 49.49 -10.11% AMSC 2026-05-18 14:01:12 48.97 48.85 -11.28% AMSC 2026-05-18 15:01:06 49.36 49.07 -10.80% AMSC 2026-05-18 16:01:17 50.15 48.50 -9.14% AMSC 2026-05-18 17:01:11 50.15 48.51 -9.14% AMSC 2026-05-18 19:01:11 50.20 48.52 -8.86% AMSC 2026-05-18 20:01:11 0.00 0.00 -8.81% 2026-05-19 AMSC 2026-05-19 04:01:22 50.11 49.78 0.00% AMSC 2026-05-19 05:01:05 50.14 49.55 -0.62% AMSC 2026-05-19 06:01:08 49.63 49.24 -1.62% AMSC 2026-05-19 07:01:07 50.14 49.11 -1.78% AMSC 2026-05-19 08:01:05 50.14 48.86 -2.09% AMSC 2026-05-19 09:01:04 50.14 48.23 -2.89% AMSC 2026-05-19 10:01:13 46.31 46.08 -7.01% AMSC 2026-05-19 11:01:05 47.25 47.17 -5.38% AMSC 2026-05-19 12:01:16 46.66 46.58 -6.41% AMSC 2026-05-19 13:01:06 48.11 48.03 -3.83% AMSC 2026-05-19 14:01:10 48.04 47.96 -3.90% AMSC 2026-05-19 15:01:04 47.63 47.58 -4.63% AMSC 2026-05-19 16:01:01 47.00 46.50 -6.28% AMSC 2026-05-19 17:01:18 47.00 46.76 -6.28% AMSC 2026-05-19 18:01:10 47.09 47.04 -6.08% AMSC 2026-05-19 19:01:17 47.09 46.86 -6.42%