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.

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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

Alta Equipment Group Inc. Class A Common Stock (NY:ALTG)

6.600 -0.110 (-1.64%)
Official Closing Price Updated: 7:00 PM EDT, Oct 3, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Oct 03, 2025 6.760 6.920 6.585 6.600 149,353 -0.11(-1.64%)
Oct 02, 2025 6.830 6.900 6.600 6.710 182,145 -0.16(-2.33%)
Oct 01, 2025 7.190 7.330 6.870 6.870 177,815 -0.37(-5.11%)
Sep 30, 2025 7.160 7.250 7.085 7.240 155,294 +0.06(+0.84%)
Sep 29, 2025 7.240 7.240 7.040 7.180 160,593 -0.02(-0.28%)
Sep 26, 2025 7.170 7.290 7.130 7.200 128,770 +0.06(+0.84%)
Sep 25, 2025 7.270 7.360 7.140 7.140 114,221 -0.24(-3.25%)
Sep 24, 2025 7.560 7.700 7.380 7.380 160,097 -0.19(-2.51%)
Sep 23, 2025 7.550 7.730 7.490 7.570 219,122 +0.10(+1.34%)
Sep 22, 2025 7.080 7.545 7.010 7.470 268,711 +0.38(+5.36%)
Sep 19, 2025 7.350 7.350 7.060 7.090 321,981 -0.25(-3.41%)
Sep 18, 2025 7.160 7.430 7.110 7.340 185,496 +0.19(+2.66%)
Sep 17, 2025 7.580 7.700 7.130 7.150 293,205 -0.36(-4.79%)
Sep 16, 2025 7.580 7.675 7.380 7.510 203,455 -0.12(-1.57%)
Sep 15, 2025 7.510 7.690 7.380 7.630 311,699 +0.16(+2.14%)
Sep 12, 2025 7.560 7.610 7.270 7.470 479,709 -0.09(-1.19%)
Sep 11, 2025 7.700 7.770 7.400 7.560 268,376 -0.11(-1.43%)
Sep 10, 2025 7.750 7.812 7.590 7.670 287,262 -0.14(-1.79%)
Sep 09, 2025 8.300 8.300 7.810 7.810 183,345 -0.45(-5.45%)
Sep 08, 2025 8.680 8.680 8.190 8.260 302,126 -0.31(-3.62%)
Sep 05, 2025 8.250 8.575 8.240 8.570 229,397 +0.32(+3.88%)
Sep 04, 2025 8.310 8.520 8.230 8.250 176,559 +0.00(+0.00%)
Sep 03, 2025 8.080 8.300 8.060 8.250 253,430 +0.10(+1.23%)
Sep 02, 2025 8.150 8.290 8.020 8.150 138,040 -0.19(-2.28%)
Aug 29, 2025 8.250 8.350 7.990 8.340 320,018 +0.13(+1.58%)
Aug 28, 2025 8.370 8.370 8.180 8.210 253,413 -0.13(-1.56%)
Aug 27, 2025 8.350 8.450 8.250 8.340 221,654 -0.14(-1.65%)
Aug 26, 2025 8.640 8.880 8.435 8.480 297,549 -0.07(-0.82%)
Aug 25, 2025 8.070 8.590 8.030 8.550 346,821 +0.53(+6.61%)
Aug 22, 2025 7.340 8.070 7.310 8.020 317,800 +0.74(+10.16%)
Aug 21, 2025 7.630 7.630 7.260 7.280 197,986 -0.35(-4.59%)
Aug 20, 2025 7.680 7.730 7.480 7.630 243,198 -0.06(-0.78%)
Aug 19, 2025 7.750 7.890 7.590 7.690 301,438 -0.05(-0.65%)
Aug 18, 2025 7.670 7.875 7.370 7.740 285,654 -0.28(-3.49%)
Aug 15, 2025 8.450 8.450 8.015 8.020 144,419 -0.37(-4.41%)
Aug 14, 2025 8.270 8.430 8.040 8.390 220,579 -0.07(-0.83%)
Aug 13, 2025 7.970 8.480 7.840 8.460 360,128 +0.55(+6.95%)
Aug 12, 2025 7.740 8.035 7.740 7.910 169,937 +0.31(+4.08%)
Aug 11, 2025 7.710 7.760 7.390 7.600 214,246 -0.14(-1.81%)
Aug 08, 2025 8.030 8.535 7.605 7.740 426,977 +0.57(+7.95%)
Aug 07, 2025 7.450 7.470 7.140 7.170 245,728 -0.17(-2.32%)
Aug 06, 2025 7.350 7.465 7.070 7.340 329,662 +0.05(+0.69%)
Aug 05, 2025 7.450 7.510 7.180 7.290 175,285 -0.10(-1.35%)
Aug 04, 2025 7.520 7.575 7.390 7.390 95,513 -0.07(-0.94%)
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