https://en.wikipedia.org/wiki/DRAM_price_fixing_scandal

> To date, five manufacturers have pleaded guilty to their involvement in an international price-fixing conspiracy between July 1, 1998, and June 15, 2002, including Hynix, Infineon, Micron Technology, Samsung, and Elpida.

It is history; we have not learned; we are doomed to repeat it.

Price-fixing is illegal. Raising prices is not.