A 20-Year Comeback: How SK Hynix Went From the Brink of Bankruptcy to a Trillion-Dollar Market Value?
SK Hynix is nearing a $1 trillion market cap, following Samsung Electronics. This growth is driven by surging demand for AI server memory, particularly High Bandwidth Memory (HBM). The company’s stock has surged significantly this year and in 2025. SK Hynix's historical journey includes near bankruptcy and a pivotal acquisition by SK Group in 2012, which fostered a culture prioritizing engineering judgment and R&D, especially for HBM technology. The global memory chip supercycle, fueled by AI, has led to a sustained supply-demand imbalance, driving chip price increases and significantly boosting the South Korean stock market, with SK Hynix and Samsung as key drivers.

TradingKey - Following Samsung Electronics becoming the first to hit the $1 trillion market cap milestone earlier this month, SK Hynix, another South Korean memory giant, is poised to cross the same threshold just two weeks later. If this expectation is met, South Korea will become the first country outside the U.S. to host two trillion-dollar companies, further highlighting its central role in the global AI industry chain.
Market data shows that as of Thursday’s close, SK Hynix’s market capitalization was approximately $931.7 billion, just a step away from the $1 trillion mark—at current exchange rates, a further stock price increase of about 7% would break this psychological threshold.
Driven by explosive growth in demand from AI servers for both traditional memory chips and High Bandwidth Memory (HBM), SK Hynix’s stock price has risen nearly 190% so far this year and has surged 274% in 2025.
Looking back at its valuation leap, the company’s market cap was less than $100 billion just 16 months ago; it is now approaching global blue-chip giants such as Walmart ( WMT ), Berkshire Hathaway ( BRK.A ), and other global blue-chip giants, reflecting the capital market’s extreme pursuit of the AI memory supply chain.
Fabien Yip, a market analyst at IG Australia, noted that current market sentiment is being significantly driven by FOMO (fear of missing out), particularly evident in Japanese and South Korean AI-related stocks—capital is chasing not only short-term earnings upside, but also making strategic bets on the long-term penetration of AI infrastructure.
How did SK Hynix rise to prominence?
It is hard to imagine that memory chip giant SK Hynix, whose market capitalization is now approaching $1 trillion, was a company twenty years ago with a stock price that had plummeted to 125 KRW, a debt ratio as high as 206%, and was on the brink of bankruptcy and liquidation.
In 1983, Chung Ju-yung, founder of South Korea's Hyundai Group, diversified into the industry by establishing Hyundai Electronics, the predecessor of SK Hynix. Relying on government support and large-scale capital investment, Hyundai Electronics focused on DRAM chips and grew into South Korea's second-largest semiconductor company by the 1990s.
However, rapid expansion sowed the seeds of hidden risks. After acquiring LG Semiconductor in 1999 under government direction, the company was burdened with nearly $14 billion in debt. In 2001, amid the aftershocks of the Asian financial crisis and a collapse in DRAM prices, Hyundai Electronics was spun off from its parent group and renamed Hynix, falling into a quagmire of debt restructuring and even being mockingly referred to as a "national penny stock."
At that time, U.S.-based Micron proposed acquiring its memory business for $4 billion, but only wanted the assets without assuming the debt. Facing a desperate situation, Hynix's board, management, and labor union reached a rare consensus to reject the acquisition.
2012 marked a pivotal turning point when SK Group Chairman Chey Tae-won overcame internal opposition to acquire a 21% stake in Hynix for 3.37 trillion KRW, which became the largest corporate acquisition in South Korean history. SK Group's takeover not only brought stable financial support but also established a decision-making culture where "engineering judgment takes precedence over financial calculations."
In 2013, the company partnered with AMD to develop the world's first High Bandwidth Memory (HBM). Although the market response remained tepid over the following decade, Hynix did not slow its pace. With SK Group's backing, the R&D budget for HBM was never cut, even during the market's coldest years.
Starting in 2014, the company progressively brought modern memory wafer fabs into production, including M14 in Icheon, M15 in Cheongju, and M16 in Icheon, steadily solidifying its position in the top tier of the global semiconductor industry. From 2020 to 2021, the company acquired Intel's NAND flash memory business and established the subsidiary Solidigm, significantly boosting its market share in the NAND space and completing its full-spectrum memory business layout.
Meanwhile, the choice of technological roadmap allowed Hynix to stand out. While Samsung adopted the NCF (Non-Conductive Film) method, Hynix chose MR-MUF (Mass Reflow Molded Underfill) technology, which offers significant advantages in heat dissipation and yield.
At the end of 2022, ChatGPT sparked a surge in demand for AI computing power, and Hynix's long-term bet on HBM technology finally reached a breakout point.
In 2024, Hynix became the first to mass-produce HBM3E. It now commands approximately 60% of the global HBM market and has secured supply contracts for NVIDIA's next-generation Blackwell platform.
Furthermore, SK Hynix recorded an operating profit margin of 72% in the first quarter of 2026, setting a new single-quarter record for the global chip industry.
Looking back at its development—from the establishment of Hyundai Electronics in 1983 and the acquisition of LG Semiconductor in 1999, to its independence and renaming as Hynix in 2001, its integration into SK Group in 2012, the acquisition of Intel’s NAND business to form Solidigm in 2020, and finally establishing its leadership in AI memory with technologies like HBM3E after 2023—every key leap for SK Hynix has stemmed from both forward-looking anticipation of technological trends and strategic resolve in adhering to long-termism amidst cyclical fluctuations.
Memory Chip Supercycle Propels South Korean Stock Market into Global Spotlight
The storage supercycle ignited by the AI infrastructure wave is not only reshuffling the global semiconductor landscape but also making the South Korean stock market a focal point for global capital.
UBS ( UBS) report shows that demand for AI-driven High Bandwidth Memory (HBM) continues to squeeze traditional DDR capacity. Combined with the server replacement cycle and skyrocketing SSD demand, the global DRAM market supply-demand gap will persist through the fourth quarter of 2027, a rare state of prolonged tight balance not seen in nearly thirty years.
This supply-demand imbalance has directly driven a surge in memory chip prices. Goldman Sachs ( GS) significantly raised its price growth forecasts for memory chips in late April, upwardly revising DRAM growth expectations from 150% to 250%-280% and NAND growth from 100% to 200%-250%.
The memory chip boom has propelled the South Korean stock market to new heights, with the Korea Composite Stock Price Index (KOSPI) rising more than 86% year-to-date, marking its best annual performance since 1999 and making it the world's top-performing major equity benchmark. Samsung Electronics and SK Hynix together account for nearly 50% of the KOSPI's weighting, serving as key engines for attracting global capital.
From a broader perspective, the AI infrastructure wave is reshaping the technology landscape in Asia and globally. A Morgan Stanley report shows that the percentage of global CIOs who rank AI as their top priority has climbed to 39%, with global investment in AI data centers projected to reach approximately $2.8 trillion between 2026 and 2028, representing an annual growth rate of about 33%.
Asia sits at the core of the AI hardware supply chain. From South Korea's Samsung and SK Hynix to China's semiconductor, server, optical communication, and cloud infrastructure companies, all stand to benefit from this investment cycle.
This content was translated using AI and reviewed for clarity. It is for informational purposes only.
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