The logo of SK hynix is displayed on a glass wall during the 2026 World IT Show in Seoul on April 22, 2026. <\/p>\n
Jung Yeon-je | Afp | Getty Images<\/p>\n
Shares of SK Hynix jumped as much as 11% on Wednesday, lifting the South Korean chipmaker’s market capitalization above $1 trillion as investors continued to pile into artificial intelligence-linked semiconductor stocks.<\/p>\n
The rally extended a blistering run that has seen SK Hynix shares skyrocket about 250% since the start of the year, fueled by surging demand for high-bandwidth memory chips used in AI servers and accelerators. <\/p>\n
The company has emerged as a key supplier to AI chip giant Nvidia<\/a>, cementing its position at the center of the global AI supply chain.<\/p>\n The rally comes just weeks after domestic rival Samsung Electronics also crossed the $1 trillion market capitalization mark<\/a>. Shares of Samsung Electronics added over 6% on Wednesday.<\/p>\n The two chipmakers account for more than 40% of South Korea’s benchmark Kospi<\/a>, underscoring how closely the index’s performance has become tied to global demand for AI-related semiconductors and memory chips.<\/p>\n The Kospi index has nearly doubled since the start of the year, according to data from LSEG.<\/p>\n