Nikon does have a booth at the 2024 CES show that will take place next week in Las Vegas (January 9-12). I do not expect any major photography products to be revealed – we may see a new lens (Nikkor Z 35mm f/1.2 S or Nikkor Z 28-400mm f/3.5-6.3) or in the best case a camera development announcement, but I highly doubt that. This dedicated CES site talks only about a new digital imaging microscope:
See all shows Nikon will be exhibiting in 2024: