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

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

Reading International Inc - Class A Non-voting Common Stock (NQ:RDI)

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Historical Prices

Date Open High Low Close Volume Change (%)
Oct 10, 2025 1.420 1.429 1.420 1.429 1,271 -0.06(-4.12%)
Oct 09, 2025 1.480 1.510 1.470 1.490 19,401 -0.01(-0.67%)
Oct 08, 2025 1.500 1.500 1.450 1.500 7,546 +0.01(+0.67%)
Oct 07, 2025 1.580 1.580 1.480 1.490 38,913 -0.09(-5.70%)
Oct 06, 2025 1.560 1.580 1.470 1.580 83,859 +0.09(+6.04%)
Oct 03, 2025 1.490 1.522 1.440 1.490 50,835 +0.05(+3.47%)
Oct 02, 2025 1.450 1.500 1.430 1.440 8,798 -0.01(-0.69%)
Oct 01, 2025 1.510 1.510 1.430 1.450 31,061 -0.02(-1.36%)
Sep 30, 2025 1.490 1.510 1.430 1.470 92,560 +0.01(+0.68%)
Sep 29, 2025 1.510 1.530 1.435 1.460 22,648 -0.08(-5.19%)
Sep 26, 2025 1.500 1.559 1.500 1.540 9,268 +0.03(+1.99%)
Sep 25, 2025 1.580 1.590 1.510 1.510 21,555 -0.07(-4.43%)
Sep 24, 2025 1.599 1.599 1.540 1.580 15,395 +0.04(+2.60%)
Sep 23, 2025 1.520 1.630 1.515 1.540 61,612 -0.04(-2.84%)
Sep 22, 2025 1.550 1.609 1.530 1.585 44,935 +0.00(+0.32%)
Sep 19, 2025 1.540 1.590 1.490 1.580 102,412 +0.04(+2.60%)
Sep 18, 2025 1.540 1.573 1.530 1.540 4,660 +0.01(+0.65%)
Sep 17, 2025 1.540 1.580 1.500 1.530 76,212 +0.00(+0.00%)
Sep 16, 2025 1.600 1.600 1.490 1.530 116,604 +0.02(+1.32%)
Sep 15, 2025 1.480 1.550 1.480 1.510 13,713 +0.02(+1.34%)
Sep 12, 2025 1.520 1.535 1.480 1.490 53,714 -0.01(-0.67%)
Sep 11, 2025 1.540 1.540 1.480 1.500 25,836 -0.04(-2.60%)
Sep 10, 2025 1.540 1.556 1.483 1.540 47,756 +0.02(+1.32%)
Sep 09, 2025 1.590 1.590 1.490 1.520 33,794 -0.02(-1.30%)
Sep 08, 2025 1.470 1.590 1.470 1.540 31,534 +0.05(+3.36%)
Sep 05, 2025 1.550 1.550 1.480 1.490 19,734 -0.01(-0.33%)
Sep 04, 2025 1.553 1.568 1.495 1.495 22,930 -0.05(-3.55%)
Sep 03, 2025 1.520 1.550 1.490 1.550 36,501 +0.05(+2.99%)
Sep 02, 2025 1.551 1.560 1.505 1.505 53,753 -0.04(-2.59%)
Aug 29, 2025 1.598 1.607 1.535 1.545 77,677 -0.05(-2.83%)
Aug 28, 2025 1.550 1.590 1.550 1.590 17,054 +0.05(+3.25%)
Aug 27, 2025 1.580 1.629 1.540 1.540 28,918 -0.03(-1.91%)
Aug 26, 2025 1.570 1.645 1.570 1.570 44,217 +0.01(+0.64%)
Aug 25, 2025 1.450 1.590 1.440 1.560 214,343 +0.12(+8.41%)
Aug 22, 2025 1.350 1.448 1.350 1.439 81,930 +0.06(+4.28%)
Aug 21, 2025 1.402 1.402 1.320 1.380 90,037 +0.02(+1.47%)
Aug 20, 2025 1.415 1.415 1.360 1.360 29,078 -0.05(-3.55%)
Aug 19, 2025 1.415 1.425 1.400 1.410 5,455 +0.01(+0.71%)
Aug 18, 2025 1.410 1.461 1.380 1.400 59,935 +0.00(+0.00%)
Aug 15, 2025 1.410 1.460 1.400 1.400 212,973 -0.04(-2.78%)
Aug 14, 2025 1.470 1.469 1.330 1.440 313,060 +0.05(+3.64%)
Aug 13, 2025 1.370 1.400 1.360 1.389 24,786 +0.05(+3.69%)
Aug 12, 2025 1.260 1.365 1.260 1.340 33,731 +0.07(+5.51%)
Aug 11, 2025 1.320 1.360 1.230 1.270 75,223 -0.02(-1.55%)
Aug 08, 2025 1.360 1.360 1.290 1.290 72,447 -0.05(-3.57%)
Aug 07, 2025 1.335 1.338 1.335 1.338 1,490 +0.02(+1.63%)
Aug 06, 2025 1.307 1.320 1.307 1.316 3,643 +0.02(+1.25%)
Aug 05, 2025 1.350 1.360 1.300 1.300 40,698 -0.01(-0.76%)
Aug 04, 2025 1.310 1.320 1.300 1.310 70,921 -0.02(-1.50%)
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