TLDR
- SK Hynix shares rocketed 12.5% Monday, reaching all-time highs amid robust foreign investment
- Leading American technology companies confirmed continued aggressive AI infrastructure spending last week
- Samsung’s gains were muted due to ongoing labor tensions and an impending strike action scheduled for May 21
- Barclays upgraded price objectives for both memory producers, pointing to deteriorating supply-demand dynamics
- Citigroup downgraded Samsung outlook while market watchers increasingly favor SK Hynix
SK Hynix equity soared 12.5% during Monday’s trading session, achieving a new all-time peak as international capital flooded into South Korean semiconductor manufacturers. Samsung Electronics posted gains as well, advancing 5.4%, but significantly underperformed its competitor.
The rally followed robust quarterly results from multiple prominent U.S. technology giants last week, who doubled down on their commitment to artificial intelligence infrastructure investments. SK Hynix serves as a critical provider of high-bandwidth memory modules, the sophisticated chip variant essential for AI processing hardware.
Positive indicators from American tech companies regarding AI data center requirements typically trigger swift reactions in memory semiconductor equities. SK Hynix has emerged as one of the most prominent beneficiaries of this dynamic.
Barclays released an optimistic research note coinciding with Monday’s market action, increasing its price objective on SK Hynix’s Frankfurt-traded shares by over 20%, moving from €900 to €1,100. The firm simultaneously elevated its Samsung London-listed stock target from $4,000 to $4,250. Both equities maintained Overweight recommendations.
The financial institution stated that the supply-demand mismatch in the memory sector “demonstrates no indications of resolution in the foreseeable future.” Barclays projects global memory production capacity will expand in the low-twenties percentage range during both 2026 and 2027, while anticipating demand will accelerate even more rapidly, suggesting the disparity will persist through both years.
Barclays anticipates SK Hynix will maintain its dominance in high-bandwidth memory production. The bank increased its earnings multiple for the stock to 6x 2026 projections, up from 5x, bringing it closer in line with its U.S. research team’s valuation methodology for Micron.
Samsung Faces Strike Threat
Samsung’s relative weakness stemmed from labor-related concerns. The company’s labor union organized a major demonstration on April 23, pressing for increased profit participation from the semiconductor business. A management proposal incorporating bonuses and salary adjustments was turned down.
The union has subsequently announced an 18-day work suspension beginning May 21 unless an agreement is achieved. This looming threat is dampening investor confidence during a period of exceptionally strong AI memory chip demand.
Samsung indicated it intends to maintain negotiations with union representatives and has contingency plans to handle any manufacturing interruptions. However, market analysts remain skeptical about the adequacy of these measures.
Citigroup has already reduced its Samsung forecasts, highlighting probable expenses from labor concessions or enhanced compensation packages. Additional labor expenditures could compress profit margins in a business unit that has been generating substantial returns from AI-driven demand.
Barclays increased its Samsung revenue projections by approximately 8% for 2026 and 17% for 2027, reflecting semiconductor prices exceeding previous expectations. The firm modeled a threefold increase in Samsung’s high-bandwidth memory revenue during 2026.
SK Hynix Has the Edge Right Now
SK Hynix resolved its own profit-distribution negotiations with workers previously, providing it with a labor relations advantage currently visible in its equity valuation.
Additional regional semiconductor companies also gained Monday. MediaTek and ASE Technology Holding both experienced favorable price movement as AI chip market sentiment strengthened.
Barclays identified China as a potential concern worth monitoring, observing that Chinese memory manufacturers are expanding production capabilities and making progress in mid-to-low tier smartphone markets, though the institution doesn’t foresee this impacting the data center category.
Citigroup’s revised Samsung projections and increasing analyst focus on SK Hynix as a comparative outperformer represented key developments entering the trading week.



