World's largest HBM producer driving the $720 billion fab expansion across Yongin, Cheongju, and a future southwest cluster; raised $26.5 billion in the largest ADR offering in US market history on its July 2026 Nasdaq debut.
Korea's other memory heavyweight; its shares moved in lockstep with SK Hynix through both the July rout and the August rally, and together the two stocks drive close to 30% of Kospi's movements.
Counterparty in the $500 billion memory-supply and AI-infrastructure deal with SK Group, securing preferential HBM3E and next-generation HBM4 supply through milestone-based volume commitments.
Building a 2-gigawatt AI cloud facility in South Korea on Nvidia's DSX architecture as part of the Nvidia-SK Group partnership, with a first phase online in 2027.
TE
Temasek (Singapore's sovereign wealth fund)
Reportedly planning its first regional investment into Samsung and SK Hynix; the report itself triggered an intraday Kospi jump of about 4% and 8%+ moves in both stocks.
PR
President Lee Jae Myung / South Korean government
Backed a combined 10 trillion won semiconductor fund and trade-financing package and relocated a military airport to free land for the Honam Semiconductor Cluster, underscoring state support for the chip buildout even as the July rout hurt his approval rating.
US peer memory maker cited as a comparable in the broader memory supercycle narrative; its shares are up significantly year-to-date alongside Samsung and SK Hynix.
RE
Retail investors (South Korea)
An estimated 14 million individual investors poured 78 trillion won ($54.2 billion) into Samsung and SK Hynix shares in May and June 2026, then were hit hardest when the July rout unwound highly leveraged single-stock ETF positions.