| Period | AMPG | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +0.44% | -0.02% | +0.81% | +0.46% |
| 5D | +0.15% | +1.53% | +3.61% | -1.39% |
| 1M | -1.30% | +1.30% | +5.82% | -2.60% |
| 3M | -51.22% | +5.32% | +4.34% | -56.54% |
| 6M | +89.17% | +21.97% | +32.86% | +67.20% |
| YTD | +3.81% | +13.20% | +21.91% | -9.39% |
| 1Y | -19.50% | +16.61% | +24.95% | -36.12% |
| 3Y | +84.05% | +78.93% | +107.85% | +5.13% |
| 5Y | -11.79% | +74.22% | +100.21% | -86.01% |