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(NY: AMPX )

1.740 +0.130 (+8.07%)
Official Closing Price Updated: 7:00 PM EDT, Apr 26, 2024 Add to My Watchlist
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Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
May 31, 2023 7.440 7.679 7.310 7.610 72,906 +0.15(+2.01%)
May 30, 2023 7.500 7.580 7.190 7.460 154,295 -0.04(-0.53%)
May 26, 2023 7.850 8.050 7.300 7.500 170,513 -0.36(-4.58%)
May 25, 2023 8.300 8.430 7.790 7.860 86,626 -0.44(-5.30%)
May 24, 2023 8.300 8.390 8.190 8.300 105,087 +0.00(+0.00%)
May 23, 2023 7.900 8.320 7.830 8.300 80,211 +0.36(+4.53%)
May 22, 2023 8.060 8.105 7.720 7.940 192,055 -0.12(-1.49%)
May 19, 2023 8.600 8.600 7.920 8.060 176,237 -0.46(-5.40%)
May 18, 2023 8.450 8.580 8.350 8.520 72,238 +0.00(+0.00%)
May 17, 2023 8.500 8.730 8.450 8.520 128,601 -0.07(-0.81%)
May 16, 2023 8.600 8.680 8.250 8.590 88,732 -0.08(-0.92%)
May 15, 2023 8.790 8.805 8.500 8.670 136,779 -0.08(-0.91%)
May 12, 2023 8.770 8.855 8.650 8.750 83,379 +0.00(+0.00%)
May 11, 2023 8.880 9.076 8.420 8.750 136,941 -0.19(-2.13%)
May 10, 2023 9.100 9.110 8.855 8.940 175,623 +0.04(+0.45%)
May 09, 2023 9.100 9.125 8.870 8.900 143,915 -0.10(-1.11%)
May 08, 2023 8.890 9.120 8.840 9.000 236,461 +0.24(+2.74%)
May 05, 2023 8.570 9.110 8.570 8.760 131,612 +0.31(+3.67%)
May 04, 2023 8.990 9.170 8.370 8.450 227,606 -0.50(-5.59%)
May 03, 2023 9.100 9.180 8.920 8.950 84,101 -0.22(-2.40%)
May 02, 2023 9.300 9.380 8.951 9.170 117,231 -0.05(-0.54%)
May 01, 2023 9.320 9.490 9.150 9.220 92,672 -0.16(-1.71%)
Apr 28, 2023 9.300 9.550 9.220 9.380 170,685 +0.18(+1.96%)
Apr 27, 2023 8.760 9.240 8.760 9.200 118,992 +0.43(+4.90%)
Apr 26, 2023 8.650 9.000 8.580 8.770 146,821 +0.14(+1.62%)
Apr 25, 2023 9.400 9.400 8.340 8.630 279,389 -0.77(-8.19%)
Apr 24, 2023 9.680 9.800 9.330 9.400 279,628 -0.10(-1.05%)
Apr 21, 2023 9.440 9.680 9.280 9.500 318,005 +0.20(+2.15%)
Apr 20, 2023 9.250 9.480 9.090 9.300 246,764 +0.22(+2.42%)
Apr 19, 2023 9.110 9.490 9.040 9.080 230,595 -0.13(-1.41%)
Apr 18, 2023 9.500 9.500 8.762 9.210 208,603 -0.17(-1.81%)
Apr 17, 2023 9.350 9.470 9.110 9.380 475,292 +0.45(+5.04%)
Apr 14, 2023 8.750 9.135 8.500 8.930 270,707 +0.34(+3.96%)
Apr 13, 2023 8.940 8.940 8.530 8.590 172,979 -0.16(-1.83%)
Apr 12, 2023 8.500 8.970 8.308 8.750 228,621 +0.33(+3.92%)
Apr 11, 2023 8.270 8.500 7.920 8.420 121,962 +0.00(+0.00%)
Apr 10, 2023 7.980 8.500 7.836 8.420 140,731 +0.30(+3.69%)
Apr 06, 2023 8.050 8.250 7.580 8.120 136,998 +0.04(+0.50%)
Apr 05, 2023 8.340 8.490 8.050 8.080 110,313 -0.37(-4.38%)
Apr 04, 2023 8.530 8.530 8.010 8.450 95,333 -0.06(-0.71%)
Apr 03, 2023 8.800 8.858 7.610 8.510 354,621 -0.20(-2.30%)
Mar 31, 2023 8.900 9.060 8.060 8.710 396,559 +0.11(+1.28%)
Mar 30, 2023 7.690 8.880 7.532 8.600 801,217 +1.18(+15.90%)
Mar 29, 2023 7.020 7.490 6.860 7.420 228,637 +0.50(+7.23%)
Mar 28, 2023 7.550 7.575 6.850 6.920 273,234 -0.58(-7.73%)
Mar 27, 2023 7.970 7.970 6.970 7.500 622,504 +0.00(+0.00%)
Mar 24, 2023 7.950 8.420 6.850 7.500 1,508,227 -0.15(-1.96%)
Mar 23, 2023 5.590 8.000 5.470 7.650 3,139,862 +2.15(+39.09%)
Mar 22, 2023 5.110 5.500 5.050 5.500 37,620 +0.41(+8.06%)
Mar 21, 2023 4.520 5.140 4.480 5.090 61,211 +0.62(+13.87%)
Mar 20, 2023 4.640 4.660 4.150 4.470 126,463 -0.08(-1.76%)
Mar 17, 2023 4.830 4.895 4.400 4.550 93,813 -0.39(-7.89%)
Mar 16, 2023 5.140 5.140 4.870 4.940 65,977 -0.24(-4.63%)
Mar 15, 2023 5.600 5.600 5.000 5.180 73,305 -0.41(-7.33%)
Mar 14, 2023 5.910 5.979 5.470 5.590 58,867 -0.37(-6.21%)
Mar 13, 2023 6.260 6.260 5.500 5.960 116,914 -0.37(-5.85%)
Mar 10, 2023 6.210 6.370 6.090 6.330 35,552 +0.13(+2.10%)
Mar 09, 2023 6.410 6.465 6.200 6.200 30,464 -0.19(-2.97%)
Mar 08, 2023 6.490 6.490 6.200 6.390 53,760 -0.01(-0.16%)
Mar 07, 2023 6.620 6.630 6.310 6.400 122,601 +0.07(+1.11%)
Mar 06, 2023 6.320 6.370 6.264 6.330 52,102 +0.03(+0.48%)
Mar 03, 2023 6.240 6.340 6.150 6.300 41,138 +0.08(+1.29%)
Mar 02, 2023 6.200 6.270 6.050 6.220 31,066 +0.02(+0.32%)
Mar 01, 2023 6.340 6.380 6.180 6.200 73,979 -0.13(-2.05%)
Feb 28, 2023 6.330 6.380 6.210 6.330 28,132 +0.05(+0.80%)
Feb 27, 2023 6.340 6.417 6.223 6.280 17,530 -0.05(-0.79%)
Feb 24, 2023 6.120 6.390 6.120 6.330 50,961 +0.09(+1.44%)
Feb 23, 2023 6.260 6.260 6.080 6.240 77,750 +0.00(+0.00%)
Feb 22, 2023 6.300 6.310 6.060 6.240 44,793 -0.15(-2.35%)
Feb 21, 2023 6.330 6.440 6.210 6.390 65,478 +0.18(+2.90%)
Feb 17, 2023 6.280 6.310 6.060 6.210 16,991 -0.09(-1.43%)
Feb 16, 2023 6.420 6.420 6.240 6.300 22,779 -0.15(-2.33%)
Feb 15, 2023 6.210 6.450 6.010 6.450 42,037 +0.34(+5.56%)
Feb 14, 2023 6.050 6.130 5.800 6.110 40,882 +0.06(+0.99%)
Feb 13, 2023 6.110 6.320 5.850 6.050 64,731 -0.07(-1.14%)
Feb 10, 2023 6.150 6.400 6.049 6.120 93,351 -0.13(-2.08%)
Feb 09, 2023 6.340 6.560 6.160 6.250 55,032 -0.16(-2.50%)
Feb 08, 2023 6.240 6.600 6.170 6.410 66,114 +0.16(+2.56%)
Feb 07, 2023 6.000 6.530 6.000 6.250 154,773 +0.25(+4.17%)
Feb 06, 2023 6.150 6.150 5.900 6.000 78,678 -0.06(-0.99%)
Feb 03, 2023 6.440 6.530 5.970 6.060 103,982 -0.42(-6.48%)
Feb 02, 2023 6.090 6.500 6.090 6.480 96,609 +0.40(+6.58%)
Feb 01, 2023 6.470 6.510 6.050 6.080 85,653 -0.42(-6.46%)
Jan 31, 2023 6.240 6.530 6.230 6.500 86,050 +0.21(+3.34%)
Jan 30, 2023 6.010 6.410 6.010 6.290 58,966 +0.03(+0.48%)
Jan 27, 2023 6.210 6.427 6.170 6.260 42,599 -0.09(-1.42%)
Jan 26, 2023 6.490 6.531 5.880 6.350 95,014 -0.15(-2.31%)
Jan 25, 2023 6.400 6.540 6.260 6.500 147,939 +0.05(+0.78%)
Jan 24, 2023 6.400 6.500 6.210 6.450 99,107 +0.16(+2.54%)
Jan 23, 2023 6.320 6.500 6.160 6.290 111,856 -0.04(-0.63%)
Jan 20, 2023 6.200 6.430 6.130 6.330 66,292 +0.12(+1.93%)
Jan 19, 2023 6.080 6.250 5.960 6.210 88,841 +0.09(+1.47%)
Jan 18, 2023 6.280 6.500 6.060 6.120 102,310 -0.14(-2.24%)
Jan 17, 2023 6.160 6.440 6.010 6.260 75,616 +0.11(+1.79%)
Jan 13, 2023 5.800 6.160 5.650 6.150 89,168 +0.33(+5.67%)
Jan 12, 2023 5.870 6.010 5.620 5.820 117,845 -0.04(-0.68%)
Jan 11, 2023 6.000 6.090 5.700 5.860 130,624 -0.10(-1.68%)
Jan 10, 2023 6.150 6.310 5.860 5.960 142,360 -0.19(-3.09%)
Jan 09, 2023 6.500 6.597 6.010 6.150 149,940 -0.32(-4.95%)
Jan 06, 2023 6.490 6.590 6.230 6.470 130,170 +0.02(+0.31%)
Jan 05, 2023 7.080 7.380 6.400 6.450 210,108 -0.83(-11.40%)
Jan 04, 2023 7.220 7.410 7.100 7.280 122,303 +0.01(+0.14%)
Jan 03, 2023 7.760 7.760 7.133 7.270 202,297 -0.66(-8.32%)
Dec 30, 2022 7.970 8.150 7.640 7.930 54,058 -0.07(-0.88%)
Dec 29, 2022 8.000 8.170 7.860 8.000 73,044 +0.02(+0.25%)
Dec 28, 2022 7.350 8.250 7.350 7.980 159,855 +0.56(+7.55%)
Dec 27, 2022 8.010 8.030 7.350 7.420 67,035 -0.45(-5.72%)
Dec 23, 2022 7.340 7.920 7.110 7.870 168,945 +0.77(+10.85%)
Dec 22, 2022 8.550 8.550 7.000 7.100 358,544 -1.85(-20.67%)
Dec 21, 2022 8.840 9.550 8.720 8.950 210,892 +0.15(+1.70%)
Dec 20, 2022 8.700 8.810 8.450 8.800 97,694 +0.09(+1.03%)
Dec 19, 2022 8.040 9.025 7.530 8.710 315,139 +0.35(+4.19%)
Dec 16, 2022 7.180 8.360 7.180 8.360 989,066 +1.14(+15.79%)
Dec 15, 2022 7.110 7.440 7.070 7.220 82,244 +0.02(+0.28%)
Dec 14, 2022 7.140 7.390 7.000 7.200 89,466 +0.27(+3.90%)
Dec 13, 2022 7.490 7.490 6.740 6.930 139,975 -0.14(-1.98%)
Dec 12, 2022 7.420 7.420 6.950 7.070 76,459 -0.32(-4.33%)
Dec 09, 2022 7.200 7.500 6.910 7.390 88,652 +0.38(+5.42%)
Dec 08, 2022 7.670 7.690 6.915 7.010 197,945 -0.59(-7.76%)
Dec 07, 2022 7.020 7.600 6.880 7.600 225,943 +0.40(+5.56%)
Dec 06, 2022 7.500 7.790 6.800 7.200 377,562 -0.31(-4.13%)
Dec 05, 2022 9.600 9.700 7.230 7.510 888,550 -2.80(-27.16%)
Dec 02, 2022 10.54 10.54 9.970 10.31 46,022 +0.08(+0.78%)
Dec 01, 2022 10.44 10.49 9.814 10.23 144,900 -0.03(-0.29%)
Nov 30, 2022 10.01 10.50 10.01 10.26 89,144 +0.06(+0.59%)
Nov 29, 2022 10.25 10.84 9.960 10.20 130,651 -0.20(-1.92%)
Nov 28, 2022 10.59 10.98 10.28 10.40 109,622 -0.40(-3.70%)
Nov 25, 2022 10.59 10.86 10.59 10.80 24,632 +0.10(+0.93%)
Nov 23, 2022 10.48 10.96 10.48 10.70 60,984 +0.22(+2.10%)
Nov 22, 2022 10.40 10.98 10.30 10.48 258,833 +0.15(+1.45%)
Nov 21, 2022 10.11 10.58 10.11 10.33 83,416 +0.07(+0.68%)
Nov 18, 2022 10.56 10.77 10.03 10.26 111,494 +0.00(+0.00%)
Nov 17, 2022 10.22 10.42 9.950 10.26 103,069 -0.28(-2.66%)
Nov 16, 2022 9.950 10.65 9.750 10.54 117,711 +0.53(+5.29%)
Nov 15, 2022 10.80 10.99 9.810 10.01 199,903 -0.87(-8.00%)
Nov 14, 2022 10.72 11.11 10.60 10.88 153,931 -0.06(-0.55%)
Nov 11, 2022 10.10 11.10 10.10 10.94 233,105 +0.44(+4.19%)
Nov 10, 2022 10.18 10.60 10.06 10.50 112,310 +0.49(+4.90%)
Nov 09, 2022 10.75 10.75 9.890 10.01 127,075 -0.85(-7.83%)
Nov 08, 2022 9.770 10.94 9.770 10.86 207,760 +0.79(+7.85%)
Nov 07, 2022 9.960 10.30 9.530 10.07 126,970 +0.27(+2.76%)
Nov 04, 2022 10.80 10.80 9.760 9.800 225,127 -0.68(-6.49%)
Nov 03, 2022 10.70 11.04 10.22 10.48 223,864 -0.20(-1.87%)
Nov 02, 2022 11.87 10.51 10.68 489,564 -1.06(-9.03%)
Nov 01, 2022 11.78 12.25 10.99 11.74 964,232 +0.23(+2.00%)
Oct 31, 2022 11.38 11.65 11.06 11.51 272,282 +0.12(+1.05%)
Oct 28, 2022 11.24 11.84 10.95 11.39 421,891 +0.42(+3.83%)
Oct 27, 2022 11.71 12.22 10.77 10.97 1,575,661 -1.18(-9.71%)
Oct 26, 2022 11.38 12.15 11.10 12.15 1,458,258 +0.95(+8.48%)
Oct 25, 2022 11.38 12.24 10.56 11.20 1,824,360 -0.45(-3.86%)
Oct 24, 2022 10.89 12.55 10.67 11.65 5,011,628 +0.54(+4.86%)
Oct 21, 2022 9.500 12.49 8.700 11.11 9,405,273 +1.66(+17.57%)
Oct 20, 2022 10.91 11.14 8.770 9.450 7,911,174 -1.56(-14.17%)
Oct 19, 2022 6.360 11.52 6.279 11.01 16,243,183 +4.80(+77.29%)
Oct 18, 2022 6.000 6.320 6.000 6.210 98,238 +0.13(+2.14%)
Oct 17, 2022 6.590 6.689 6.000 6.080 273,252 -0.57(-8.57%)
Oct 14, 2022 7.010 7.470 6.610 6.650 161,807 -0.30(-4.32%)
Oct 13, 2022 7.150 7.370 6.700 6.950 139,322 -0.17(-2.39%)
Oct 12, 2022 7.390 7.400 6.620 7.120 133,975 -0.08(-1.11%)
Oct 11, 2022 7.690 9.100 7.200 7.200 677,735 -0.29(-3.87%)
Oct 10, 2022 7.130 7.900 6.810 7.490 318,968 +0.50(+7.15%)
Oct 07, 2022 8.210 8.450 6.760 6.990 352,257 -1.07(-13.28%)
Oct 06, 2022 9.060 9.250 8.008 8.060 420,328 -0.85(-9.54%)
Oct 05, 2022 9.100 9.600 8.750 8.910 237,646 -0.48(-5.11%)
Oct 04, 2022 8.800 9.810 8.800 9.390 248,249 +0.56(+6.34%)
Oct 03, 2022 9.000 9.510 8.650 8.830 194,745 -0.39(-4.27%)
Sep 30, 2022 9.610 10.29 9.150 9.224 250,722 -0.40(-4.11%)
Sep 29, 2022 10.61 10.84 9.430 9.620 222,974 -1.22(-11.25%)
Sep 28, 2022 11.20 11.75 9.912 10.84 756,489 -1.07(-8.98%)
Sep 27, 2022 12.87 13.55 11.69 11.91 1,114,527 -0.84(-6.59%)
Sep 26, 2022 12.31 13.70 11.12 12.75 2,721,542 -0.19(-1.47%)
Sep 23, 2022 11.05 15.39 10.42 12.94 13,147,081 +1.40(+12.13%)
Sep 22, 2022 9.780 12.50 9.014 11.54 9,090,960 +2.09(+22.12%)
Sep 21, 2022 9.600 10.40 7.500 9.450 3,515,227 -1.55(-14.09%)
Sep 20, 2022 5.700 14.00 5.660 11.00 28,628,566 +5.10(+86.44%)
Sep 19, 2022 8.400 9.150 5.640 5.900 1,134,170 -2.40(-28.92%)
Sep 16, 2022 15.73 16.80 7.900 8.300 6,142,940 -1.70(-17.00%)
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