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

PetMed Express, Inc. - Common Stock (NQ:PETS)

2.620 +0.020 (+0.77%)
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Historical Prices

Date Open High Low Close Volume Change (%)
Oct 03, 2025 2.600 2.640 2.553 2.620 87,738 +0.02(+0.77%)
Oct 02, 2025 2.450 2.630 2.450 2.600 112,116 +0.15(+6.12%)
Oct 01, 2025 2.480 2.530 2.450 2.450 72,281 -0.06(-2.39%)
Sep 30, 2025 2.510 2.579 2.470 2.510 101,374 +0.00(+0.00%)
Sep 29, 2025 2.660 2.665 2.490 2.510 211,916 -0.14(-5.28%)
Sep 26, 2025 2.630 2.659 2.620 2.650 231,701 +0.00(+0.00%)
Sep 25, 2025 2.640 2.670 2.620 2.650 83,286 +0.01(+0.38%)
Sep 24, 2025 2.670 2.710 2.640 2.640 75,961 -0.02(-0.75%)
Sep 23, 2025 2.650 2.699 2.650 2.660 62,719 +0.03(+1.14%)
Sep 22, 2025 2.710 2.730 2.620 2.630 184,820 -0.10(-3.66%)
Sep 19, 2025 2.780 2.810 2.702 2.730 199,062 -0.07(-2.50%)
Sep 18, 2025 2.800 2.850 2.780 2.800 77,606 +0.02(+0.72%)
Sep 17, 2025 2.810 2.900 2.760 2.780 101,649 -0.04(-1.42%)
Sep 16, 2025 2.820 2.870 2.760 2.820 70,808 +0.01(+0.36%)
Sep 15, 2025 2.830 2.905 2.790 2.810 126,351 +0.01(+0.36%)
Sep 12, 2025 2.830 2.840 2.750 2.800 122,358 -0.03(-1.06%)
Sep 11, 2025 2.720 2.840 2.720 2.830 86,958 +0.10(+3.66%)
Sep 10, 2025 2.840 2.860 2.720 2.730 140,823 -0.11(-3.87%)
Sep 09, 2025 2.920 3.020 2.830 2.840 148,066 -0.01(-0.35%)
Sep 08, 2025 3.060 3.060 2.850 2.850 223,617 -0.20(-6.56%)
Sep 05, 2025 3.020 3.080 3.010 3.050 86,441 +0.01(+0.33%)
Sep 04, 2025 3.020 3.040 2.980 3.040 72,879 +0.01(+0.33%)
Sep 03, 2025 3.020 3.050 3.020 3.030 39,563 +0.01(+0.33%)
Sep 02, 2025 3.040 3.070 3.010 3.020 62,936 -0.05(-1.63%)
Aug 29, 2025 3.100 3.150 3.060 3.070 43,004 -0.03(-0.97%)
Aug 28, 2025 3.160 3.181 3.070 3.100 118,199 -0.06(-1.90%)
Aug 27, 2025 3.040 3.180 3.040 3.160 62,590 +0.11(+3.61%)
Aug 26, 2025 3.150 3.190 3.040 3.050 57,825 -0.11(-3.48%)
Aug 25, 2025 3.140 3.260 3.140 3.160 128,432 +0.02(+0.64%)
Aug 22, 2025 3.110 3.200 3.050 3.140 90,602 +0.05(+1.62%)
Aug 21, 2025 3.080 3.180 3.055 3.090 49,111 -0.03(-0.96%)
Aug 20, 2025 3.030 3.130 2.994 3.120 70,985 +0.09(+2.97%)
Aug 19, 2025 3.060 3.109 3.020 3.030 54,980 -0.02(-0.66%)
Aug 18, 2025 2.990 3.120 2.990 3.050 84,774 +0.09(+3.04%)
Aug 15, 2025 3.070 3.125 2.950 2.960 99,568 -0.14(-4.52%)
Aug 14, 2025 3.250 3.310 3.070 3.100 104,264 -0.11(-3.43%)
Aug 13, 2025 2.830 3.250 2.810 3.210 431,203 +0.08(+2.56%)
Aug 12, 2025 3.090 3.155 3.054 3.130 175,921 +0.10(+3.30%)
Aug 11, 2025 3.060 3.100 3.000 3.030 149,913 -0.03(-0.98%)
Aug 08, 2025 3.120 3.150 3.055 3.060 143,475 -0.05(-1.61%)
Aug 07, 2025 3.220 3.220 3.100 3.110 150,207 -0.11(-3.42%)
Aug 06, 2025 3.170 3.220 3.100 3.220 77,590 +0.06(+1.90%)
Aug 05, 2025 3.180 3.240 3.110 3.160 170,238 -0.04(-1.25%)
Aug 04, 2025 3.360 3.400 3.174 3.200 110,749 -0.04(-1.23%)
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