According to CoinMeta, SK Hynix stock has risen due to strong AI memory demand. On Monday, SK Hynix stock rose to around $172.48 during pre-market trading, an increase of 3.7%. The company's latest financial report shows that revenue from a single external customer in the first half of 2026 reached 17.61 trillion Korean won, accounting for 13.35% of total sales. This customer is considered to be NVIDIA, SK Hynix's largest client. U.S. sales amounted to 84.56 trillion Korean won, accounting for 64.1% of SK Hynix's revenue in the first half of the year. In addition, SK Hynix's board of directors recently approved a semiconductor investment plan of 54.3 trillion Korean won (approximately $38 billion), which is expected to further drive the production of DRAM and high-bandwidth memory.