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

Western Copper and Gold Corporation Common Stock (NY:WRN)

1.980 +0.010 (+0.51%)
Official Closing Price Updated: 8:00 PM EDT, Oct 1, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Oct 01, 2025 1.990 2.055 1.940 1.980 866,755 +0.01(+0.51%)
Sep 30, 2025 1.990 1.990 1.934 1.970 713,587 -0.01(-0.51%)
Sep 29, 2025 2.020 2.048 1.970 1.980 1,225,546 +0.00(+0.00%)
Sep 26, 2025 1.880 2.000 1.831 1.980 889,902 +0.13(+7.03%)
Sep 25, 2025 1.830 1.850 1.780 1.850 338,567 +0.02(+1.09%)
Sep 24, 2025 1.870 1.895 1.795 1.830 395,352 -0.02(-1.08%)
Sep 23, 2025 1.870 1.970 1.830 1.850 1,435,587 +0.01(+0.54%)
Sep 22, 2025 1.800 1.850 1.780 1.840 991,140 +0.08(+4.55%)
Sep 19, 2025 1.680 1.810 1.635 1.760 763,158 +0.10(+6.02%)
Sep 18, 2025 1.650 1.670 1.595 1.660 486,843 +0.00(+0.00%)
Sep 17, 2025 1.650 1.685 1.631 1.660 450,719 +0.01(+0.61%)
Sep 16, 2025 1.720 1.750 1.650 1.650 493,188 -0.06(-3.51%)
Sep 15, 2025 1.680 1.750 1.680 1.710 714,140 +0.04(+2.40%)
Sep 12, 2025 1.630 1.670 1.570 1.670 493,774 +0.07(+4.37%)
Sep 11, 2025 1.560 1.650 1.532 1.600 680,810 +0.04(+2.56%)
Sep 10, 2025 1.590 1.590 1.530 1.560 689,614 +0.00(+0.00%)
Sep 09, 2025 1.550 1.600 1.530 1.560 600,348 +0.02(+1.30%)
Sep 08, 2025 1.550 1.559 1.490 1.540 656,391 +0.03(+1.99%)
Sep 05, 2025 1.510 1.520 1.470 1.510 207,276 +0.02(+1.34%)
Sep 04, 2025 1.520 1.520 1.450 1.490 508,620 -0.02(-1.32%)
Sep 03, 2025 1.490 1.579 1.480 1.510 842,566 +0.03(+2.03%)
Sep 02, 2025 1.410 1.490 1.395 1.480 642,081 +0.07(+4.96%)
Aug 29, 2025 1.400 1.430 1.380 1.410 520,512 -0.01(-0.70%)
Aug 28, 2025 1.420 1.440 1.390 1.420 350,372 +0.00(+0.00%)
Aug 27, 2025 1.420 1.420 1.370 1.420 269,909 +0.00(+0.00%)
Aug 26, 2025 1.340 1.439 1.330 1.420 837,093 +0.10(+7.58%)
Aug 25, 2025 1.330 1.330 1.310 1.320 186,450 +0.00(+0.00%)
Aug 22, 2025 1.270 1.350 1.270 1.320 506,130 +0.05(+3.94%)
Aug 21, 2025 1.240 1.270 1.230 1.270 197,140 +0.03(+2.42%)
Aug 20, 2025 1.250 1.270 1.230 1.240 180,950 +0.00(+0.00%)
Aug 19, 2025 1.280 1.290 1.240 1.240 175,570 -0.03(-2.36%)
Aug 18, 2025 1.280 1.330 1.270 1.270 327,555 -0.08(-5.93%)
Aug 15, 2025 1.220 1.350 1.220 1.350 2,126,266 +0.12(+9.76%)
Aug 14, 2025 1.220 1.250 1.200 1.230 946,193 -0.01(-0.81%)
Aug 13, 2025 1.290 1.300 1.240 1.240 424,069 -0.04(-3.13%)
Aug 12, 2025 1.290 1.290 1.250 1.280 306,475 -0.01(-0.78%)
Aug 11, 2025 1.270 1.310 1.260 1.290 370,640 +0.02(+1.57%)
Aug 08, 2025 1.240 1.290 1.230 1.270 201,154 +0.02(+1.60%)
Aug 07, 2025 1.250 1.260 1.240 1.250 170,582 +0.01(+0.81%)
Aug 06, 2025 1.240 1.250 1.221 1.240 107,495 +0.00(+0.40%)
Aug 05, 2025 1.250 1.250 1.211 1.235 183,556 -0.01(-1.20%)
Aug 04, 2025 1.210 1.250 1.208 1.250 110,234 +0.05(+4.17%)
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