The company has recently become one of the hottest and most important companies linked to AI development. Expectations have also been significantly raised ahead of the report. The company is now reporting record results in terms of both sales and operating profit, but neither result matched market forecasts.
The stock initially fell sharply in volatile trading, down around 19 percent, before recovering in late trading and falling "only" 8 percent. Samsung is also caught up in the fall, as it releases a report on Thursday night Swedish time. Samsung's stock is down 5 percent.
Hynix also says it has earmarked $31 billion for investments, and the company's customers include Nvidia.
