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

Direxion Daily Junior Gold Miners Index Bear 2X Shares (NY:JDST)

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Historical Prices

Date Open High Low Close Volume Change (%)
Oct 15, 2025 3.690 3.718 3.440 3.490 39,666,884 -0.37(-9.59%)
Oct 14, 2025 3.880 3.909 3.730 3.860 27,071,880 +0.12(+3.21%)
Oct 13, 2025 3.890 3.905 3.710 3.740 33,302,946 -0.45(-10.74%)
Oct 10, 2025 4.130 4.290 4.060 4.190 37,293,068 +0.01(+0.24%)
Oct 09, 2025 3.780 4.285 3.780 4.180 52,323,128 +0.37(+9.71%)
Oct 08, 2025 3.970 4.035 3.800 3.810 30,054,658 -0.34(-8.19%)
Oct 07, 2025 4.010 4.200 4.000 4.150 31,296,698 +0.13(+3.23%)
Oct 06, 2025 4.120 4.150 3.880 4.020 36,684,656 -0.23(-5.41%)
Oct 03, 2025 4.220 4.318 4.150 4.250 28,746,814 -0.01(-0.23%)
Oct 02, 2025 4.130 4.590 4.110 4.260 28,309,992 +0.04(+0.95%)
Oct 01, 2025 4.190 4.306 4.110 4.220 26,418,700 -0.08(-1.86%)
Sep 30, 2025 4.500 4.515 4.190 4.300 29,511,818 -0.06(-1.38%)
Sep 29, 2025 4.300 4.410 4.250 4.360 28,438,792 -0.20(-4.39%)
Sep 26, 2025 4.680 4.760 4.500 4.560 18,038,874 -0.23(-4.80%)
Sep 25, 2025 4.900 4.919 4.775 4.790 19,510,332 -0.11(-2.24%)
Sep 24, 2025 4.700 4.920 4.630 4.900 17,694,974 +0.20(+4.26%)
Sep 23, 2025 4.540 4.730 4.520 4.700 19,032,496 +0.03(+0.62%)
Sep 22, 2025 4.760 4.918 4.661 4.671 15,190,779 -0.37(-7.25%)
Sep 19, 2025 5.520 5.540 4.987 5.036 19,080,334 -0.54(-9.73%)
Sep 18, 2025 5.599 5.826 5.570 5.580 19,196,550 +0.01(+0.18%)
Sep 17, 2025 5.580 5.678 5.264 5.570 22,841,308 +0.17(+3.11%)
Sep 16, 2025 5.076 5.461 5.076 5.402 15,542,709 +0.29(+5.60%)
Sep 15, 2025 5.343 5.347 4.997 5.115 23,979,668 -0.18(-3.36%)
Sep 12, 2025 5.224 5.352 5.194 5.293 18,385,024 +0.01(+0.19%)
Sep 11, 2025 5.510 5.550 5.264 5.283 16,539,863 -0.25(-4.46%)
Sep 10, 2025 5.777 5.777 5.520 5.530 28,766,420 -0.35(-5.88%)
Sep 09, 2025 5.668 5.930 5.629 5.876 15,531,411 +0.11(+1.88%)
Sep 08, 2025 5.738 5.876 5.688 5.767 15,293,683 -0.20(-3.31%)
Sep 05, 2025 5.994 6.141 5.851 5.965 15,522,877 -0.35(-5.48%)
Sep 04, 2025 6.251 6.379 6.162 6.310 12,897,416 +0.17(+2.73%)
Sep 03, 2025 6.054 6.241 5.984 6.142 12,318,379 -0.13(-2.05%)
Sep 02, 2025 6.409 6.735 6.202 6.271 12,902,138 -0.48(-7.16%)
Aug 29, 2025 7.288 7.288 6.740 6.755 15,452,189 -0.54(-7.44%)
Aug 28, 2025 7.199 7.408 7.199 7.298 8,794,788 +0.10(+1.37%)
Aug 27, 2025 7.347 7.490 7.140 7.199 8,404,381 -0.01(-0.14%)
Aug 26, 2025 7.505 7.505 7.199 7.209 9,604,976 -0.29(-3.82%)
Aug 25, 2025 7.505 7.540 7.387 7.495 8,109,016 +0.04(+0.53%)
Aug 22, 2025 7.900 7.989 7.317 7.456 10,508,650 -0.31(-3.94%)
Aug 21, 2025 8.137 8.147 7.673 7.762 9,307,065 -0.30(-3.68%)
Aug 20, 2025 8.305 8.359 8.048 8.058 9,856,265 -0.51(-5.99%)
Aug 19, 2025 8.108 8.574 8.068 8.572 9,212,621 +0.53(+6.63%)
Aug 18, 2025 8.029 8.226 7.969 8.038 6,607,390 +0.07(+0.87%)
Aug 15, 2025 8.137 8.275 7.910 7.969 6,199,156 -0.26(-3.12%)
Aug 14, 2025 8.295 8.315 7.979 8.226 10,423,106 +0.07(+0.85%)
Aug 13, 2025 8.048 8.226 7.959 8.157 8,878,377 -0.03(-0.36%)
Aug 12, 2025 8.364 8.468 8.187 8.187 6,595,126 -0.23(-2.70%)
Aug 11, 2025 8.710 8.858 8.330 8.414 7,721,029 +0.06(+0.71%)
Aug 08, 2025 8.206 8.419 8.137 8.354 11,207,897 +0.02(+0.24%)
Aug 07, 2025 8.424 8.443 8.157 8.335 6,548,000 -0.24(-2.77%)
Aug 06, 2025 9.026 9.026 8.571 8.572 5,722,211 -0.43(-4.82%)
Aug 05, 2025 9.648 9.711 8.977 9.006 6,133,214 -0.56(-5.88%)
Aug 04, 2025 9.984 9.994 9.510 9.569 3,947,365 -0.81(-7.80%)
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