Well, there was a price-fixing cartel that was investigated in 2002 and punished in 2003-5: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;DRAM_price_fixing" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;DRAM_price_fixing</a> .