NYSE : NPO
-$3.39 (-1.01%)
| Date | Opening Price | Closing Price | %Chg | Volume |
|---|---|---|---|---|
| 2026-08-07 | $334.29 | $332.98 | -0.39% | 109.6K |
| 2026-08-06 | $329.07 | $336.37 | 2.22% | 199.3K |
| 2026-08-05 | $337.93 | $328.53 | -2.78% | 265.93K |
| 2026-08-04 | $324.33 | $334.84 | 3.24% | 391.2K |
| 2026-08-03 | $314.51 | $334.11 | 6.23% | 290.9K |
| 2026-07-31 | $322.66 | $313.92 | -2.71% | 184.13K |
| 2026-07-30 | $306.71 | $312.95 | 2.03% | 158.11K |
| 2026-07-29 | $308.52 | $296.12 | -4.02% | 294.1K |
| 2026-07-28 | $331.80 | $313.65 | -5.47% | 224.63K |
| 2026-07-27 | $336.71 | $329.00 | -2.29% | 234.3K |
| 2026-07-24 | $342.65 | $333.88 | -2.56% | 285.84K |
| 2026-07-23 | $334.90 | $336.95 | 0.61% | 152.74K |
| 2026-07-22 | $334.30 | $334.49 | 0.06% | 174.1K |
| 2026-07-21 | $332.45 | $338.85 | 1.93% | 192.5K |
| 2026-07-20 | $330.92 | $324.64 | -1.90% | 227K |
| 2026-07-17 | $313.68 | $322.68 | 2.87% | 282.94K |
| 2026-07-16 | $328.73 | $323.39 | -1.62% | 228.8K |
| 2026-07-15 | $332.96 | $328.60 | -1.31% | 215.71K |
| 2026-07-14 | $334.56 | $332.14 | -0.72% | 205.1K |
| 2026-07-13 | $329.22 | $326.02 | -0.97% | 171.3K |
| 2026-07-10 | $333.12 | $330.92 | -0.66% | 332.6K |
| 2026-07-09 | $323.15 | $330.28 | 2.21% | 343.9K |
| 2026-07-08 | $318.84 | $319.59 | 0.24% | 317.65K |
| 2026-07-07 | $340.74 | $323.45 | -5.07% | 243.8K |
| 2026-07-06 | $337.33 | $341.29 | 1.17% | 251.64K |
| 2026-07-02 | $365.00 | $335.50 | -8.08% | 424.04K |
| 2026-07-01 | $370.27 | $360.78 | -2.56% | 244.75K |
| 2026-06-30 | $375.21 | $376.93 | 0.46% | 301.8K |
| 2026-06-29 | $374.73 | $372.50 | -0.60% | 411.9K |
| 2026-06-26 | $375.00 | $379.26 | 1.14% | 1.48M |
| 2026-06-25 | $372.88 | $380.22 | 1.97% | 301.81K |
| 2026-06-24 | $367.17 | $367.00 | -0.05% | 356K |
| 2026-06-23 | $375.00 | $367.37 | -2.03% | 374.23K |
| 2026-06-22 | $383.57 | $387.65 | 1.06% | 204.43K |
| 2026-06-18 | $371.21 | $379.65 | 2.27% | 504.35K |
| 2026-06-17 | $361.15 | $363.62 | 0.68% | 272.64K |
| 2026-06-16 | $356.11 | $358.19 | 0.58% | 276.82K |
| 2026-06-15 | $342.80 | $351.71 | 2.60% | 254.52K |
| 2026-06-12 | $339.22 | $334.60 | -1.36% | 237.3K |
| 2026-06-11 | $327.74 | $335.01 | 2.22% | 186.11K |
| 2026-06-10 | $329.81 | $321.70 | -2.46% | 180.9K |
| 2026-06-09 | $327.74 | $329.43 | 0.52% | 250.45K |
| 2026-06-08 | $318.25 | $322.82 | 1.44% | 214.2K |
| 2026-06-05 | $313.37 | $312.14 | -0.39% | 182.72K |
| 2026-06-04 | $316.17 | $317.41 | 0.39% | 169.1K |
| 2026-06-03 | $315.18 | $317.20 | 0.64% | 175.1K |
| 2026-06-02 | $306.87 | $316.20 | 3.04% | 156K |
| 2026-06-01 | $302.17 | $305.54 | 1.12% | 131.7K |
| 2026-05-29 | $312.86 | $306.99 | -1.88% | 203.64K |
| 2026-05-28 | $318.02 | $314.16 | -1.21% | 122.4K |
| 2026-05-27 | $319.58 | $316.42 | -0.99% | 120.5K |
| 2026-05-26 | $311.33 | $318.11 | 2.18% | 102.41K |
| 2026-05-22 | $306.00 | $308.25 | 0.74% | 166.9K |
| 2026-05-21 | $302.44 | $302.86 | 0.14% | 196.53K |
| 2026-05-20 | $301.19 | $305.45 | 1.41% | 185.35K |
| 2026-05-19 | $302.40 | $298.80 | -1.19% | 318.61K |
| 2026-05-18 | $311.88 | $306.67 | -1.67% | 254.54K |
| 2026-05-15 | $313.56 | $311.74 | -0.58% | 193.12K |
| 2026-05-14 | $321.35 | $323.30 | 0.61% | 277.03K |
| 2026-05-13 | $311.95 | $317.78 | 1.87% | 243.12K |
| 2026-05-12 | $314.72 | $310.20 | -1.44% | 206.6K |
| 2026-05-11 | $310.16 | $315.08 | 1.59% | 253.6K |
| 2026-05-08 | $303.59 | $309.22 | 1.85% | 268.4K |
| 2026-05-07 | $309.18 | $300.76 | -2.72% | 187.3K |
| 2026-05-06 | $306.76 | $306.49 | -0.09% | 186.4K |
| 2026-05-05 | $285.17 | $300.10 | 5.24% | 346.1K |
| 2026-05-04 | $285.07 | $289.51 | 1.56% | 311.4K |
| 2026-05-01 | $291.79 | $285.94 | -2.00% | 206.5K |
| 2026-04-30 | $282.41 | $291.55 | 3.24% | 321.6K |
| 2026-04-29 | $284.68 | $280.84 | -1.35% | 274.94K |
| 2026-04-28 | $291.25 | $287.98 | -1.12% | 220.63K |
| 2026-04-27 | $295.97 | $293.12 | -0.96% | 260.8K |
| 2026-04-24 | $289.38 | $294.49 | 1.77% | 316.21K |
| 2026-04-23 | $286.93 | $288.78 | 0.64% | 220.92K |
| 2026-04-22 | $285.76 | $283.80 | -0.69% | 193.24K |
| 2026-04-21 | $282.29 | $282.00 | -0.10% | 210.5K |
| 2026-04-20 | $280.46 | $283.38 | 1.04% | 197.7K |
| 2026-04-17 | $277.15 | $281.67 | 1.63% | 205.12K |
| 2026-04-16 | $264.97 | $271.75 | 2.56% | 257.04K |
| 2026-04-15 | $276.13 | $265.72 | -3.77% | 386.52K |
| 2026-04-14 | $285.66 | $278.15 | -2.63% | 296.23K |
| 2026-04-13 | $277.22 | $285.06 | 2.83% | 364K |
| 2026-04-10 | $280.94 | $278.07 | -1.02% | 270K |
| 2026-04-09 | $272.40 | $278.81 | 2.35% | 298.12K |
| 2026-04-08 | $269.14 | $273.80 | 1.73% | 291.61K |
| 2026-04-07 | $252.40 | $254.61 | 0.88% | 364.15K |
| 2026-04-06 | $250.73 | $253.77 | 1.21% | 278.6K |
| 2026-04-02 | $248.06 | $252.21 | 1.67% | 307.63K |
| 2026-04-01 | $252.63 | $254.20 | 0.62% | 242.5K |
| 2026-03-31 | $245.09 | $250.65 | 2.27% | 306.61K |