| Period | AMPG | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +2.47% | +0.44% | +0.23% | +2.03% |
| 5D | -1.48% | -0.25% | -1.05% | -1.24% |
| 1M | -39.96% | -0.80% | -2.02% | -39.16% |
| 3M | -35.91% | +3.74% | +0.59% | -39.65% |
| 6M | +29.18% | +12.81% | +16.70% | +16.37% |
| YTD | +1.22% | +12.00% | +15.68% | -10.78% |
| 1Y | -16.37% | +18.86% | +24.41% | -35.23% |
| 3Y | +72.02% | +70.32% | +87.59% | +1.70% |
| 5Y | -13.54% | +69.49% | +85.61% | -83.03% |