SK Hynix has joined Samsung and Micron in reaching a $1 trillion market cap this week.
The AI boom has driven unprecedented demand for memory chips, leading to record profits for South Korean companies.
The global AI boom has also triggered a debate on whether enough is being done to share bumper profits with workers.
AI-generated summary was reviewed by a CNN editor.
South Korean semiconductor giant SK Hynix became one of the few companies in the world with a $1 trillion market cap this week, as a global AI boom continues to propel chip stocks to record levels.
