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Business

Samsung Shares Slide After Record Profit Revives AI Chip Jitters

The chip giant delivered a 19-fold profit surge, but investors focused on whether the AI memory boom is getting too hot to sustain.

Market MunchiesΒ·Jul 7, 2026Β·5 min read
Samsung Shares Slide After Record Profit Revives AI Chip Jitters

Samsung just posted the kind of quarter most companies can only dream about. Preliminary second-quarter operating profit surged nearly 19-fold to approximately $58 billion, powered by booming memory-chip demand and the global rush to build AI data centers.

Investors sold the stock anyway.

That is not as strange as it sounds. Samsung shares had already surged approximately 150% over the past year, meaning a blockbuster quarter was largely priced in before it arrived. The market was not asking whether the numbers were good. It was asking whether they were good enough to keep the AI chip rally going. On Tuesday, investors were not convinced β€” and the selling spread quickly, dragging memory names across Asia, Europe, and Wall Street lower in sympathy.

Why investors care

  • Samsung estimated record Q2 operating profit of about $58 billion, nearly 19 times higher than a year ago β€” and still beat analyst estimates.
  • Shares fell nearly 7% anyway, suggesting investors had already priced in a blockbuster.
  • The selloff spread to Micron, Western Digital, SanDisk, and other memory-linked names, each falling more than 5%.
  • The bigger worry: the AI memory boom may be creating the conditions for the next chip supply glut.

Why the stock fell

The issue is not that Samsung had a bad quarter. The issue is that investors may have expected perfection.

Samsung's preliminary results β€” revenue and operating profit only, with the full divisional breakdown due July 30 β€” showed revenue of 171 trillion won, more than double a year earlier, and operating profit that cleared the analyst consensus of approximately 87.3 trillion won. On the numbers alone, it was a beat.

But shares had already run nearly 150% in anticipation. As Albert Yong of Petra Capital Management told Reuters: "Samsung's strong earnings were widely expected and had largely been priced in after its shares rallied ahead of the results." When confirmation arrives in place of a positive surprise, the traders who bought in early tend to sell. The result was not bad news. It just was not better than what the market had already assumed.

The AI-chip worry

The real anxiety is not about this quarter. It is about whether this quarter can be repeated.

Richard Hunter of Interactive Investor captured the market's deeper unease in comments to Reuters: the broader issue is whether earnings levels can be maintained long enough to repay the trillions of dollars that have been funneled into AI infrastructure by the world's largest technology companies. Memory prices have surged sharply through the first half of 2026, powered by AI server demand. But prices that rise this fast have a way of attracting the supply response that eventually brings them back down.

A Morgan Stanley note published Monday warned that the recent pullback in chip stocks was not yet over, pointing to expectations that large cloud operators may soon impose tighter controls on capital spending. If the hyperscalers pull back even modestly, the demand picture that has powered Samsung's extraordinary profits changes materially.

The supply-glut risk

The very investments that are generating today's profits could create tomorrow's problem.

Alongside its earnings preview, Samsung announced plans to build massive new fabrication plants. That decision is rational β€” when memory prices are high and demand is strong, adding capacity is the logical industrial response. It is also the pattern that has historically preceded chip-cycle downturns. Samsung, SK Hynix, and Micron all pouring capital into new supply at the peak of a demand cycle is the setup that tends to produce oversupply once the buildout is complete.

Samsung's profit would have been even higher without bonus-related charges tied to a recent wage agreement, but investors were more focused on what happens next than on whether the quarter could have looked even better.

Why oil matters

The chip selloff also landed on a fragile macro day. Oil rose approximately 1.3% after Iran's Revolutionary Guards fired missiles at commercial vessels in the Strait of Hormuz, adding another inflation wrinkle just before Wednesday's Fed minutes. That matters because richly valued growth stocks are especially vulnerable when rate expectations move higher β€” and the 10-year Treasury yield nudged up to approximately 4.50% as bond markets absorbed the combination.

What investors should watch

  • Fed minutes Wednesday: Any hawkish signal, particularly in the context of fresh oil price pressure, could extend the selling in richly valued growth stocks.
  • SK Hynix ADR debut: Pricing Thursday, trading begins Friday under the ticker SKHY. Demand for its roughly $28 billion listing will be a live test of institutional appetite for AI memory after this week's selling.
  • Samsung full earnings July 30: The divisional breakdown will show how HBM is performing relative to SK Hynix and what Samsung is saying about third-quarter memory pricing.
  • Memory price trajectory: Analysts forecast third-quarter operating profit could reach approximately 114 trillion won. Whether prices hold that high is the question the sector cannot yet answer.

The bottom line

Samsung's quarter was real: record profit, a massive year-over-year jump, and a beat on expectations. The stock fell anyway because crowded trades do not just need good news. They need news good enough to justify everything investors have already priced in.

That is the warning for the AI chip trade. The boom is still real, but the market is starting to ask whether profits can stay high long enough to support valuations built on near-perfect expectations.

Sources