SK Hynix Inc (KS:000660) shares surged nearly 4% to an all-time high of 537,000 won on Monday after the South Korean chipmaker announced its next-generation memory roadmap targeting the booming artificial intelligence industry. The rally in SK Hynix stock also contributed to a 2% rise in South Korea’s KOSPI index, which reached a record high the same day.
During a summit in California earlier this month, SK Hynix revealed its plans to launch an innovative AI-NAND (AIN) product lineup, designed specifically to meet the data-intensive demands of AI applications. The AIN series will feature advanced NAND storage solutions that offer superior data processing speeds and expanded storage capacity—key elements in supporting next-generation AI infrastructure.
The company’s announcement fueled optimism among investors that SK Hynix will remain a key player in the global AI supply chain. The chipmaker has recently secured a high-profile deal to provide memory chips to OpenAI, the developer behind ChatGPT, further solidifying its leadership in the AI-driven semiconductor market.
NAND memory, known for retaining data without power while enabling high-speed data writing, plays a vital role in powering AI systems, data centers, and next-generation computing devices.
SK Hynix’s rival, Samsung Electronics Co Ltd (KS:005930), also saw a 2.8% increase in shares, buoyed by its own supply agreements with OpenAI and NVIDIA Corporation (NASDAQ:NVDA).
With shares now more than tripling in value in 2025, SK Hynix continues to dominate as the only large-scale producer of cutting-edge memory chips optimized for artificial intelligence. Its latest AI-NAND initiative positions the company at the forefront of the rapidly expanding AI semiconductor market, signaling sustained growth potential in the coming quarters.


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