Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

Laser Focus World is part of Endeavor Business Media, a division of EndeavorB2B.

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Following the Photons: A Photonics Podcast dives deep into the fascinating world of photonics. Our weekly episodes feature interviews and discussions with industry and research experts, providing valuable perspectives on the issues, technologies, and trends shaping the photonics community.

Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

Advent Technologies Holdings, Inc. - Class A Common Stock (NQ:ADN)

3.410 +0.070 (+2.10%)
Streaming Delayed Price Updated: 4:00 PM EDT, Oct 3, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Oct 03, 2025 3.390 3.800 3.300 3.410 425,435 +0.07(+2.10%)
Oct 02, 2025 3.430 3.500 3.300 3.340 159,494 -0.09(-2.62%)
Oct 01, 2025 3.280 3.520 3.250 3.430 307,621 +0.10(+3.00%)
Sep 30, 2025 3.370 3.420 3.250 3.330 110,970 +0.00(+0.00%)
Sep 29, 2025 3.410 3.450 3.228 3.330 97,047 -0.06(-1.77%)
Sep 26, 2025 3.400 3.410 3.230 3.390 108,418 +0.01(+0.30%)
Sep 25, 2025 3.150 3.420 2.970 3.380 187,810 +0.19(+5.96%)
Sep 24, 2025 3.540 3.600 3.160 3.190 225,922 -0.28(-8.07%)
Sep 23, 2025 3.420 3.690 3.366 3.470 300,370 +0.10(+2.97%)
Sep 22, 2025 3.320 3.462 3.150 3.370 215,561 +0.10(+3.06%)
Sep 19, 2025 3.370 3.450 3.230 3.270 118,858 -0.10(-2.97%)
Sep 18, 2025 3.390 3.540 3.345 3.370 356,866 +0.13(+4.01%)
Sep 17, 2025 3.230 3.350 3.130 3.240 128,644 +0.05(+1.57%)
Sep 16, 2025 2.930 3.240 2.920 3.190 229,537 +0.30(+10.38%)
Sep 15, 2025 2.880 3.000 2.750 2.890 281,862 -0.10(-3.34%)
Sep 12, 2025 3.070 3.180 2.950 2.990 122,503 -0.09(-2.92%)
Sep 11, 2025 2.950 3.240 2.810 3.080 282,460 +0.13(+4.41%)
Sep 10, 2025 3.150 3.340 2.950 2.950 297,050 -0.21(-6.65%)
Sep 09, 2025 3.140 3.327 2.800 3.160 2,866,689 -0.08(-2.47%)
Sep 08, 2025 3.340 3.510 3.200 3.240 204,051 -0.10(-2.99%)
Sep 05, 2025 3.140 3.450 3.140 3.340 160,896 +0.18(+5.70%)
Sep 04, 2025 3.680 3.690 3.140 3.160 301,657 -0.59(-15.73%)
Sep 03, 2025 3.730 4.100 3.711 3.750 245,795 -0.09(-2.34%)
Sep 02, 2025 4.240 4.310 3.700 3.840 2,123,870 -0.65(-14.48%)
Aug 29, 2025 5.190 5.230 4.440 4.490 240,371 -0.72(-13.82%)
Aug 28, 2025 5.250 5.790 5.110 5.210 321,930 +0.21(+4.20%)
Aug 27, 2025 5.200 6.180 4.900 5.000 879,459 -0.16(-3.10%)
Aug 26, 2025 4.420 5.300 4.350 5.160 630,446 +0.76(+17.27%)
Aug 25, 2025 4.950 5.080 4.350 4.400 577,146 -0.66(-13.04%)
Aug 22, 2025 4.900 5.350 4.830 5.060 547,604 +0.15(+3.05%)
Aug 21, 2025 4.250 5.390 4.020 4.910 5,344,101 +0.43(+9.60%)
Aug 20, 2025 4.390 4.550 4.210 4.480 324,782 +0.00(+0.00%)
Aug 19, 2025 4.690 4.720 4.140 4.480 529,786 +0.13(+2.99%)
Aug 18, 2025 3.670 4.978 3.670 4.350 1,584,321 +0.53(+14.02%)
Aug 15, 2025 4.590 6.180 3.700 3.815 11,842,303 +0.13(+3.67%)
Aug 14, 2025 2.890 3.880 2.880 3.680 868,140 +0.82(+28.67%)
Aug 13, 2025 3.120 3.750 2.800 2.860 2,102,554 -0.26(-8.33%)
Aug 12, 2025 1.920 3.430 1.910 3.120 25,999,264 +1.16(+59.18%)
Aug 11, 2025 1.900 1.990 1.847 1.960 11,805 +0.07(+3.70%)
Aug 08, 2025 1.910 1.910 1.850 1.890 16,301 -0.02(-1.05%)
Aug 07, 2025 1.900 1.949 1.860 1.910 39,598 +0.03(+1.60%)
Aug 06, 2025 1.860 1.910 1.810 1.880 31,840 +0.02(+1.08%)
Aug 05, 2025 1.890 1.910 1.820 1.860 11,279 -0.03(-1.59%)
Aug 04, 2025 1.830 1.900 1.808 1.890 74,589 +0.06(+3.28%)
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