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

Flexible Solutions International Inc. Common Stock (CDA) (NY:FSI)

8.900 -0.240 (-2.63%)
Official Closing Price Updated: 8:00 PM EDT, Oct 9, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Oct 09, 2025 9.250 9.250 8.200 8.900 128,240 -0.24(-2.63%)
Oct 08, 2025 9.040 9.215 8.770 9.140 22,702 +0.15(+1.67%)
Oct 07, 2025 9.320 9.442 8.750 8.990 49,163 -0.33(-3.54%)
Oct 06, 2025 9.340 9.610 9.230 9.320 67,028 -0.08(-0.85%)
Oct 03, 2025 9.640 9.880 9.160 9.400 65,536 -0.25(-2.59%)
Oct 02, 2025 10.05 10.50 9.130 9.650 123,705 -0.35(-3.50%)
Oct 01, 2025 9.700 10.20 9.635 10.00 78,882 +0.36(+3.73%)
Sep 30, 2025 9.290 9.700 9.213 9.640 78,122 +0.32(+3.43%)
Sep 29, 2025 9.280 9.480 8.930 9.320 83,519 -0.19(-2.00%)
Sep 26, 2025 9.510 9.700 9.220 9.510 45,302 -0.17(-1.76%)
Sep 25, 2025 9.710 9.950 9.390 9.680 36,184 -0.23(-2.32%)
Sep 24, 2025 10.58 10.58 9.750 9.910 36,410 -0.25(-2.46%)
Sep 23, 2025 10.85 11.30 9.700 10.16 77,263 -0.17(-1.65%)
Sep 22, 2025 9.990 10.33 9.700 10.33 67,199 +0.34(+3.40%)
Sep 19, 2025 10.35 10.37 9.660 9.990 63,958 -0.12(-1.19%)
Sep 18, 2025 10.18 10.33 9.710 10.11 66,919 -0.07(-0.69%)
Sep 17, 2025 10.16 10.43 9.861 10.18 48,363 -0.03(-0.29%)
Sep 16, 2025 11.02 11.03 10.21 10.21 63,962 -0.59(-5.46%)
Sep 15, 2025 9.860 11.07 9.860 10.80 161,151 +1.06(+10.88%)
Sep 12, 2025 9.370 9.976 9.213 9.740 72,115 +0.52(+5.64%)
Sep 11, 2025 9.430 9.630 9.190 9.220 52,280 -0.20(-2.12%)
Sep 10, 2025 9.690 9.860 9.420 9.420 40,484 -0.31(-3.19%)
Sep 09, 2025 9.650 9.800 9.530 9.730 32,418 +0.14(+1.46%)
Sep 08, 2025 9.500 9.875 9.300 9.590 73,539 +0.09(+0.95%)
Sep 05, 2025 10.00 10.22 9.330 9.500 89,550 -0.46(-4.62%)
Sep 04, 2025 9.990 10.29 9.280 9.960 134,403 +0.05(+0.50%)
Sep 03, 2025 10.37 10.37 9.250 9.910 135,522 -0.10(-1.00%)
Sep 02, 2025 10.55 10.55 8.750 10.01 274,834 -1.24(-11.02%)
Aug 29, 2025 11.11 11.48 10.92 11.25 228,642 +0.42(+3.88%)
Aug 28, 2025 10.00 11.00 9.910 10.83 383,655 +1.20(+12.46%)
Aug 27, 2025 8.810 9.820 8.690 9.630 153,894 +0.97(+11.20%)
Aug 26, 2025 8.410 8.880 8.410 8.660 59,780 +0.16(+1.88%)
Aug 25, 2025 7.820 8.810 7.776 8.500 97,045 +0.99(+13.18%)
Aug 22, 2025 7.880 7.888 7.500 7.510 20,274 -0.34(-4.33%)
Aug 21, 2025 7.860 7.960 7.500 7.850 19,280 +0.00(+0.00%)
Aug 20, 2025 8.030 8.030 7.620 7.850 10,579 -0.15(-1.88%)
Aug 19, 2025 8.270 8.430 7.720 8.000 53,964 +0.14(+1.78%)
Aug 18, 2025 7.780 8.230 7.500 7.860 129,931 +0.36(+4.80%)
Aug 15, 2025 7.350 7.790 7.169 7.500 80,784 -0.05(-0.66%)
Aug 14, 2025 7.600 7.674 7.110 7.550 63,322 +0.04(+0.53%)
Aug 13, 2025 7.050 7.800 7.000 7.510 133,919 +0.56(+8.06%)
Aug 12, 2025 6.300 7.430 6.100 6.950 370,290 +1.44(+26.13%)
Aug 11, 2025 5.560 5.560 5.351 5.510 22,218 -0.02(-0.34%)
Aug 08, 2025 5.530 5.658 5.440 5.529 4,172 -0.15(-2.66%)
Aug 07, 2025 5.460 5.680 5.380 5.680 5,570 +0.27(+4.99%)
Aug 06, 2025 5.500 5.680 5.400 5.410 11,118 -0.09(-1.64%)
Aug 05, 2025 5.500 5.500 5.143 5.500 28,313 +0.24(+4.56%)
Aug 04, 2025 5.110 5.320 5.110 5.260 13,102 +0.07(+1.35%)
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