NASDAQ : AMPH
-$0.12 (-0.58%)
| Date | Opening Price | Closing Price | %Chg | Volume |
|---|---|---|---|---|
| 2026-07-17 | $19.84 | $19.75 | -0.45% | 338.5K |
| 2026-07-16 | $19.40 | $19.86 | 2.37% | 416.9K |
| 2026-07-15 | $18.87 | $19.40 | 2.81% | 356.1K |
| 2026-07-14 | $19.10 | $18.81 | -1.52% | 334.75K |
| 2026-07-13 | $19.00 | $19.29 | 1.53% | 384.54K |
| 2026-07-10 | $18.97 | $18.72 | -1.32% | 311.1K |
| 2026-07-09 | $18.86 | $19.02 | 0.85% | 446.63K |
| 2026-07-08 | $19.96 | $18.88 | -5.41% | 438.7K |
| 2026-07-07 | $20.06 | $20.08 | 0.10% | 450K |
| 2026-07-06 | $19.48 | $19.61 | 0.67% | 313.8K |
| 2026-07-02 | $20.35 | $19.64 | -3.49% | 315.8K |
| 2026-07-01 | $20.32 | $20.10 | -1.08% | 422.11K |
| 2026-06-30 | $20.71 | $20.18 | -2.56% | 400.21K |
| 2026-06-29 | $21.12 | $20.71 | -1.94% | 727.1K |
| 2026-06-26 | $21.01 | $21.78 | 3.66% | 624K |
| 2026-06-25 | $21.00 | $21.04 | 0.19% | 481.3K |
| 2026-06-24 | $19.77 | $21.02 | 6.32% | 701.21K |
| 2026-06-23 | $18.61 | $19.53 | 4.94% | 660.9K |
| 2026-06-22 | $18.80 | $18.33 | -2.50% | 767.44K |
| 2026-06-18 | $19.51 | $18.81 | -3.59% | 1.33M |
| 2026-06-17 | $19.94 | $19.41 | -2.66% | 1.01M |
| 2026-06-16 | $19.91 | $19.96 | 0.25% | 724.21K |
| 2026-06-15 | $20.11 | $19.71 | -1.99% | 528.51K |
| 2026-06-12 | $19.90 | $20.09 | 0.95% | 377.8K |
| 2026-06-11 | $20.15 | $20.53 | 1.89% | 463.56K |
| 2026-06-10 | $20.21 | $20.29 | 0.40% | 405.2K |
| 2026-06-09 | $19.53 | $20.16 | 3.23% | 506.3K |
| 2026-06-08 | $19.75 | $19.39 | -1.82% | 559K |
| 2026-06-05 | $18.86 | $19.74 | 4.67% | 750.3K |
| 2026-06-04 | $18.28 | $18.70 | 2.30% | 459.23K |
| 2026-06-03 | $18.26 | $18.12 | -0.77% | 509.34K |
| 2026-06-02 | $18.36 | $18.45 | 0.49% | 810.64K |
| 2026-06-01 | $18.63 | $18.42 | -1.13% | 569.7K |
| 2026-05-29 | $19.28 | $18.85 | -2.23% | 849.1K |
| 2026-05-28 | $19.04 | $19.30 | 1.37% | 621.22K |
| 2026-05-27 | $19.31 | $19.10 | -1.09% | 501.59K |
| 2026-05-26 | $18.45 | $18.81 | 1.95% | 670.8K |
| 2026-05-22 | $18.25 | $18.41 | 0.88% | 485.2K |
| 2026-05-21 | $18.07 | $18.16 | 0.50% | 1.66M |
| 2026-05-20 | $17.81 | $18.08 | 1.52% | 868.8K |
| 2026-05-19 | $17.28 | $17.82 | 3.12% | 725.15K |
| 2026-05-18 | $16.70 | $17.20 | 2.99% | 866.03K |
| 2026-05-15 | $17.27 | $16.87 | -2.32% | 679.3K |
| 2026-05-14 | $17.81 | $17.30 | -2.86% | 739.1K |
| 2026-05-13 | $17.50 | $18.32 | 4.69% | 971.2K |
| 2026-05-12 | $18.41 | $17.50 | -4.94% | 1.22M |
| 2026-05-11 | $19.13 | $18.45 | -3.55% | 1.36M |
| 2026-05-08 | $18.58 | $19.00 | 2.26% | 1.98M |
| 2026-05-07 | $24.01 | $24.03 | 0.08% | 373.52K |
| 2026-05-06 | $23.50 | $23.90 | 1.70% | 392.8K |
| 2026-05-05 | $22.85 | $23.39 | 2.36% | 366.94K |
| 2026-05-04 | $21.82 | $22.74 | 4.22% | 487.14K |
| 2026-05-01 | $21.98 | $21.88 | -0.45% | 353.2K |
| 2026-04-30 | $21.63 | $21.96 | 1.53% | 407.24K |
| 2026-04-29 | $21.50 | $21.63 | 0.60% | 268.7K |
| 2026-04-28 | $21.71 | $21.82 | 0.51% | 281.22K |
| 2026-04-27 | $21.47 | $21.65 | 0.84% | 329.61K |
| 2026-04-24 | $21.05 | $21.41 | 1.71% | 429.7K |
| 2026-04-23 | $20.99 | $21.01 | 0.10% | 302.6K |
| 2026-04-22 | $21.40 | $20.99 | -1.92% | 410.8K |
| 2026-04-21 | $22.38 | $21.21 | -5.23% | 684.2K |
| 2026-04-20 | $22.67 | $22.92 | 1.10% | 542.35K |
| 2026-04-17 | $22.18 | $22.88 | 3.16% | 537.83K |
| 2026-04-16 | $21.67 | $21.81 | 0.65% | 361.31K |
| 2026-04-15 | $21.38 | $21.68 | 1.40% | 389.4K |
| 2026-04-14 | $21.36 | $21.38 | 0.09% | 343.5K |
| 2026-04-13 | $20.17 | $21.36 | 5.90% | 577.9K |
| 2026-04-10 | $20.98 | $20.37 | -2.91% | 354.5K |
| 2026-04-09 | $20.32 | $20.87 | 2.71% | 519.32K |
| 2026-04-08 | $20.68 | $20.40 | -1.35% | 613.5K |
| 2026-04-07 | $20.39 | $20.58 | 0.93% | 351.5K |
| 2026-04-06 | $20.45 | $20.58 | 0.64% | 344.1K |
| 2026-04-02 | $19.95 | $20.45 | 2.51% | 390.5K |
| 2026-04-01 | $19.74 | $20.24 | 2.53% | 677.4K |
| 2026-03-31 | $19.53 | $19.59 | 0.31% | 534.43K |
| 2026-03-30 | $19.15 | $19.22 | 0.37% | 410.72K |
| 2026-03-27 | $19.37 | $19.01 | -1.86% | 346.02K |
| 2026-03-26 | $19.50 | $19.53 | 0.15% | 363.5K |
| 2026-03-25 | $19.45 | $19.57 | 0.62% | 317.6K |
| 2026-03-24 | $19.10 | $19.23 | 0.68% | 367.8K |
| 2026-03-23 | $20.04 | $19.23 | -4.04% | 414.9K |
| 2026-03-20 | $19.56 | $19.50 | -0.31% | 1.13M |
| 2026-03-19 | $19.10 | $19.54 | 2.30% | 583.12K |
| 2026-03-18 | $19.21 | $19.00 | -1.09% | 650.43K |
| 2026-03-17 | $19.48 | $19.51 | 0.15% | 635.6K |
| 2026-03-16 | $18.93 | $19.41 | 2.54% | 738K |
| 2026-03-13 | $18.23 | $18.18 | -0.27% | 604.65K |
| 2026-03-12 | $18.58 | $18.18 | -2.15% | 901.7K |
| 2026-03-11 | $18.91 | $18.77 | -0.74% | 548.3K |
| 2026-03-10 | $19.21 | $18.91 | -1.56% | 527.2K |