Samsung's Memory Moat Is the Bull Case — Its Handset Business Is the Asterisk
Published on 10/18/2026 at 04:10 | Editorial boerse-global.deSamsung Electronics shares climbed 2.6% on Friday, snapping a seven-session losing streak on the Korean market as chip stocks broadly shook off heavy selling. Foreign investors turned net buyers after eight straight sessions of offloading, according to media reports, with bargain hunters moving in after the recent rout.
The rebound itself says little about the company. What matters more is the call Goldman Sachs circulated the same day: the technology gap in high-end memory chips may prove more durable than investors fear. That is a company-specific argument, and it deserves to be weighed separately from a market-wide bounce.
Why the Memory Lead Carries More Weight
Goldman Sachs reportedly favored both Samsung and SK Hynix, arguing that investors had overstated how quickly Chinese rivals could close the technology gap in advanced DRAM and high-bandwidth memory. The note landed after Reuters reported on Tuesday that China's ChangXin Memory Technologies had made progress on its next DRAM generation — a story that had stoked competition worries and weighed on Samsung and other chipmakers.
The distinction between technological progress and a closed gap is where the debate actually sits. Goldman's view is an assessment, not a refutation of the competitive threat; its value lies in pushing back against the fear of a rapid Chinese catch-up. For Samsung shareholders, the operative question is how fast a progress report turns into real pressure on the company's own technological standing.
Samsung, for its part, laid out its next-generation memory roadmap at the OCP Global Summit on Tuesday, covering high-performance memory, CXL-based memory expansion and new SSD solutions, alongside a planned joint demonstration of CXL memory expansion with Advanced Micro Devices. Those plans sketch out the company's technological agenda — they do not settle a competition that has yet to be decided.
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The Rate Backdrop That Started the Selling
Friday's move was helped along by rising US equities and encouraging remarks from Federal Reserve Chair Jerome Powell on structural growth driven by artificial intelligence. The cheer over AI and the hunt for cheaper stocks both worked in Samsung's favor. But a counter-move of this kind is a shift in sentiment first and foremost, not evidence that the risks traded beforehand have vanished.
Thursday showed how quickly those risks can take over. Reuters attributed the selloff in Korean chip stocks to persistent inflation worries, expectations of further US rate hikes and pressure on AI-linked names. Samsung was caught in a broader re-rating rather than singled out. Higher US inflation data and concerns about the returns on AI investment had already soured the mood.
The tension is plain: investors are being asked to price long-term AI growth while simultaneously reacting to the prospect of higher rates. Friday's action is neither an all-clear nor a meaningless reflex — it shows that the growth case found buyers again after the selloff. It does not yet answer how durable that demand is.
A Record Quarter and a Handset Question Mark
Roughly two weeks ago, Samsung announced a preliminary record operating profit. Its guidance for the third quarter of 2026 put revenue at approximately 195 trillion KRW and operating profit at 107.4 trillion KRW.
That scale belongs in the picture as a counterweight to the recent nervousness. It does not make the competition worries moot, but it keeps the valuation from revolving entirely around possible future hits. The preliminary figures are not the same as a full explanation of how the business is performing, though, and a conflicting report deserves attention for exactly that reason.
On October 8, MoneyToday reported, citing unnamed industry sources, that Samsung's Mobile eXperience division had asked suppliers to reduce product deliveries, with cuts of 20% to 30% mentioned for the fourth quarter. Samsung has not publicly confirmed the reported reductions, so they are not an established operational fact. They still belong in any assessment as a risk flag: a convincing memory argument should not be used to paper over possible weakness in mobile devices.
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October 29 Is the Next Real Test
Samsung has scheduled its third-quarter 2026 earnings call for October 29. That is the next meaningful checkpoint — what the company says about its preliminary profit estimate and about how its individual businesses are developing.
Until then, neither blanket skepticism nor unqualified enthusiasm deserves the upper hand. Goldman Sachs offers a concrete argument against the fear of a swift competitive catch-up. Arrayed against it are a jittery market backdrop and the unconfirmed reports of lower handset deliveries.
On balance, the recovery is understandable but not yet a seal of quality for the whole Samsung story. The strongest argument remains the possible durability of the memory lead — not the strength of a single trading day.
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