Quarterly Returns (%)Amphastar Pharmaceuticals Inc.
| Years | Q1 | Q2 | Q3 | Q4 | Annual |
|---|---|---|---|---|---|
| 2010 | 0 | 0 | -0.3 | 0.4 | 0 |
| 2011 | 0 | 271.1 | 271.1 | 271.1 | -100 |
| 2012 | 0 | 271.1 | 271.1 | 271.1 | 0 |
| 2013 | 0 | 271.1 | 271.1 | 271.1 | 0 |
| 2014 | 0 | 14.4 | 16.4 | -0.3 | 0 |
| 2015 | 28.9 | 17.5 | -33.5 | 21.7 | 22.6 |
| 2016 | -15.7 | 34.3 | 17.7 | -2.9 | 29.4 |
| 2017 | -21.3 | 23.2 | 0.1 | 2.9 | 4.5 |
| 2018 | -2.6 | -16.3 | 25 | 3.3 | 3.4 |
| 2019 | 2.7 | 0.3 | -4.1 | -5.3 | -3.9 |
| 2020 | -5 | 4 | 8 | 7.3 | 5.2 |
| 2021 | -9.9 | 11.3 | -4.6 | 22.1 | 16.8 |
| 2022 | 52.9 | -3.1 | -19.2 | -0.3 | 19.3 |
| 2023 | 33.8 | 53.3 | -20 | 35.2 | 120.7 |
| 2024 | -29 | -3.5 | 0 | -21 |