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

Mercer International Inc. - Common Stock (NQ:MERC)

2.840 -0.040 (-1.39%)
Streaming Delayed Price Updated: 4:00 PM EDT, Oct 1, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Oct 01, 2025 2.890 2.900 2.790 2.840 349,887 -0.04(-1.39%)
Sep 30, 2025 2.870 2.900 2.815 2.880 399,057 -0.01(-0.35%)
Sep 29, 2025 2.890 2.890 2.750 2.890 685,749 +0.16(+5.86%)
Sep 26, 2025 2.700 2.760 2.695 2.730 347,690 +0.04(+1.49%)
Sep 25, 2025 2.780 2.780 2.620 2.690 526,629 -0.12(-4.27%)
Sep 24, 2025 2.810 2.895 2.790 2.810 175,125 -0.01(-0.35%)
Sep 23, 2025 2.820 2.910 2.780 2.820 433,586 +0.01(+0.36%)
Sep 22, 2025 2.850 2.900 2.800 2.810 592,372 -0.05(-1.75%)
Sep 19, 2025 3.020 3.020 2.850 2.860 1,058,753 -0.21(-6.84%)
Sep 18, 2025 3.060 3.085 3.020 3.070 522,318 +0.02(+0.66%)
Sep 17, 2025 3.180 3.225 3.030 3.050 412,665 -0.12(-3.79%)
Sep 16, 2025 3.100 3.285 3.060 3.170 666,410 +0.07(+2.26%)
Sep 15, 2025 3.080 3.140 3.050 3.100 321,643 +0.02(+0.65%)
Sep 12, 2025 3.120 3.130 3.050 3.080 262,285 -0.04(-1.28%)
Sep 11, 2025 3.060 3.170 3.050 3.120 468,550 +0.07(+2.30%)
Sep 10, 2025 3.190 3.220 3.040 3.050 641,332 -0.15(-4.69%)
Sep 09, 2025 3.160 3.230 3.040 3.200 611,197 +0.00(+0.00%)
Sep 08, 2025 3.230 3.255 3.160 3.200 326,528 -0.03(-0.93%)
Sep 05, 2025 3.210 3.310 3.200 3.230 305,237 +0.04(+1.25%)
Sep 04, 2025 3.170 3.200 3.065 3.190 356,236 +0.05(+1.59%)
Sep 03, 2025 3.130 3.170 3.110 3.140 313,304 -0.02(-0.63%)
Sep 02, 2025 3.300 3.346 3.150 3.160 711,125 -0.17(-5.11%)
Aug 29, 2025 3.250 3.380 3.235 3.330 359,187 +0.09(+2.78%)
Aug 28, 2025 3.270 3.270 3.160 3.240 344,810 -0.01(-0.31%)
Aug 27, 2025 3.210 3.285 3.150 3.250 313,115 +0.01(+0.31%)
Aug 26, 2025 3.290 3.326 3.215 3.240 303,623 -0.04(-1.22%)
Aug 25, 2025 3.250 3.340 3.200 3.280 799,675 +0.03(+0.92%)
Aug 22, 2025 3.190 3.355 3.190 3.250 846,641 +0.02(+0.62%)
Aug 21, 2025 3.130 3.295 3.085 3.230 952,116 +0.06(+1.89%)
Aug 20, 2025 3.130 3.210 3.080 3.170 715,386 +0.05(+1.60%)
Aug 19, 2025 3.070 3.235 3.020 3.120 1,097,100 +0.06(+1.96%)
Aug 18, 2025 2.990 3.125 2.940 3.060 865,824 +0.06(+2.00%)
Aug 15, 2025 3.050 3.100 2.990 3.000 494,827 -0.05(-1.64%)
Aug 14, 2025 3.030 3.100 2.950 3.050 871,036 +0.00(+0.00%)
Aug 13, 2025 2.880 3.120 2.800 3.050 1,368,705 +0.17(+5.90%)
Aug 12, 2025 2.650 2.915 2.592 2.880 1,058,091 +0.23(+8.68%)
Aug 11, 2025 2.890 2.896 2.650 2.650 2,279,592 -0.30(-10.17%)
Aug 08, 2025 3.010 3.090 2.930 2.950 1,060,099 -0.07(-2.32%)
Aug 07, 2025 3.200 3.250 2.955 3.020 1,131,489 -0.15(-4.73%)
Aug 06, 2025 3.230 3.265 3.080 3.170 984,584 -0.07(-2.16%)
Aug 05, 2025 3.300 3.360 3.180 3.240 1,148,902 -0.09(-2.70%)
Aug 04, 2025 3.060 3.385 3.035 3.330 1,726,472 +0.31(+10.26%)
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