| Period | AMPG | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +0.18% | +0.02% | -0.43% | +0.16% |
| 5D | -3.01% | +0.56% | -0.64% | -3.58% |
| 1M | -19.08% | +2.29% | +4.74% | -21.37% |
| 3M | -58.62% | +3.11% | +3.49% | -61.73% |
| 6M | +36.07% | +10.92% | +15.98% | +25.15% |
| YTD | -16.62% | +13.92% | +21.15% | -30.54% |
| 1Y | -36.02% | +17.38% | +23.39% | -53.40% |
| 3Y | +48.64% | +78.49% | +101.08% | -29.85% |
| 5Y | -22.52% | +75.88% | +102.60% | -98.40% |