| Period | AMPG | S&P 500 | NASDAQ | vs S&P |
|---|---|---|---|---|
| 1D | +3.14% | +0.58% | +0.90% | +2.56% |
| 5D | -2.75% | -1.58% | -3.98% | -1.17% |
| 1M | -8.32% | -1.90% | -7.87% | -6.42% |
| 3M | -50.76% | -1.45% | -3.75% | -49.31% |
| 6M | +18.39% | +3.58% | +0.14% | +14.81% |
| YTD | -16.98% | +11.26% | +13.63% | -28.24% |
| 1Y | -15.96% | +11.24% | +10.23% | -27.19% |
| 3Y | +54.72% | +74.86% | +89.47% | -20.15% |
| 5Y | -43.39% | +63.56% | +77.20% | -106.95% |