It wouldn't be a first: https://en.wikipedia.org/wiki/DRAM_price_fixing_scandal
“ The district court ruled in favor of Samsung, Hynix, and Micron and dismissed the lawsuit. This dismissal was affirmed on appeal by the United States Court of Appeals for the Ninth Circuit, which ruled in March 2022 that the plaintiffs did not offer sufficient plausible evidence for their allegations to make a case under the Sherman Antitrust Act and that the district court properly dismissed the lawsuit.”
Samsung is about to hand out ~$26B in bonuses. SK Hynix something similar-ish.
It’s different to, say, Google’s vertical monopoly in advertising where that’s most of their revenue.