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

cbdMD, Inc. Common Stock (NY:YCBD)

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Historical Prices

Date Open High Low Close Volume Change (%)
Sep 30, 2025 1.270 1.270 1.050 1.210 6,470,204 -0.17(-12.32%)
Sep 29, 2025 0.7300 1.940 0.7219 1.380 198,649,392 +0.76(+121.15%)
Sep 26, 2025 0.6300 0.6480 0.6000 0.6240 93,860 +0.02(+3.65%)
Sep 25, 2025 0.6600 0.6841 0.6020 0.6020 76,320 -0.07(-9.97%)
Sep 24, 2025 0.6600 0.6999 0.6600 0.6687 44,784 +0.01(+1.07%)
Sep 23, 2025 0.6900 0.6900 0.6616 0.6616 65,646 -0.03(-3.84%)
Sep 22, 2025 0.6600 0.7030 0.6600 0.6880 72,155 +0.03(+4.62%)
Sep 19, 2025 0.6922 0.7196 0.6576 0.6576 66,746 -0.06(-8.62%)
Sep 18, 2025 0.7180 0.7200 0.6920 0.7196 26,408 +0.03(+4.14%)
Sep 17, 2025 0.7008 0.7200 0.6910 0.6910 28,070 -0.03(-3.63%)
Sep 16, 2025 0.6700 0.7500 0.6700 0.7170 109,734 +0.05(+6.82%)
Sep 15, 2025 0.6990 0.7000 0.6700 0.6712 46,059 -0.01(-1.29%)
Sep 12, 2025 0.6990 0.7250 0.6800 0.6800 52,469 -0.02(-2.72%)
Sep 11, 2025 0.6821 0.7300 0.6816 0.6990 63,370 +0.02(+2.48%)
Sep 10, 2025 0.6810 0.7075 0.6810 0.6821 43,939 -0.03(-4.84%)
Sep 09, 2025 0.7100 0.7216 0.6801 0.7168 55,577 +0.01(+1.24%)
Sep 08, 2025 0.7297 0.7300 0.6960 0.7080 60,221 -0.02(-3.08%)
Sep 05, 2025 0.7203 0.7500 0.6905 0.7305 57,517 +0.01(+1.44%)
Sep 04, 2025 0.7250 0.7500 0.7166 0.7201 50,251 -0.03(-3.97%)
Sep 03, 2025 0.7215 0.7600 0.7110 0.7499 130,268 +0.02(+2.73%)
Sep 02, 2025 0.7667 0.7900 0.7260 0.7300 136,273 -0.01(-1.22%)
Aug 29, 2025 0.7405 0.7969 0.7390 0.7390 143,979 -0.04(-4.65%)
Aug 28, 2025 0.6900 0.7800 0.6802 0.7750 186,594 +0.08(+11.51%)
Aug 27, 2025 0.7079 0.7099 0.6900 0.6950 17,980 -0.02(-2.11%)
Aug 26, 2025 0.7100 0.7300 0.6800 0.7100 28,621 +0.01(+0.72%)
Aug 25, 2025 0.6700 0.7500 0.6700 0.7049 213,407 +0.03(+5.21%)
Aug 22, 2025 0.6500 0.6700 0.6100 0.6700 60,026 +0.03(+4.04%)
Aug 21, 2025 0.6502 0.6690 0.6200 0.6440 93,393 -0.02(-2.42%)
Aug 20, 2025 0.6200 0.7300 0.6000 0.6600 395,565 +0.03(+5.23%)
Aug 19, 2025 0.6898 0.6898 0.5900 0.6272 106,538 -0.05(-7.76%)
Aug 18, 2025 0.7626 0.7626 0.6731 0.6800 149,163 -0.08(-10.08%)
Aug 15, 2025 0.8500 0.9000 0.7550 0.7562 219,618 -0.09(-10.98%)
Aug 14, 2025 0.9100 0.9600 0.8388 0.8495 137,060 -0.06(-6.65%)
Aug 13, 2025 0.9500 0.9500 0.8866 0.9100 103,976 -0.03(-3.64%)
Aug 12, 2025 1.000 1.010 0.8950 0.9444 203,452 -0.03(-2.80%)
Aug 11, 2025 0.8600 1.000 0.8600 0.9716 369,045 +0.09(+10.03%)
Aug 08, 2025 0.8200 0.8850 0.8200 0.8830 148,614 +0.05(+6.40%)
Aug 07, 2025 0.8500 0.8785 0.8120 0.8299 67,293 -0.03(-3.24%)
Aug 06, 2025 0.8754 0.9000 0.8399 0.8577 10,946 -0.02(-2.47%)
Aug 05, 2025 0.8800 0.8800 0.8597 0.8794 27,368 -0.00(-0.01%)
Aug 04, 2025 0.8500 0.9091 0.8149 0.8795 47,454 +0.02(+2.27%)
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