Memory Chip Rally Lifts Micron and SK Hynix, Squeezes Buyers Like Calix

Chip stocks climbed across the board Tuesday, led by memory names Micron Technology and SK hynix. Bank of America’s price target on Micron has now climbed from $500 to $1,550 in a matter of months, one of the most aggressive Wall Street re-ratings of the year.

The same shortage lifting those two stocks is squeezing the companies that have to buy from them. Calix, a telecom equipment maker, fell 7% the same day despite beating earnings estimates, because higher memory costs are compressing its margins. One trading session, two very different outcomes for companies standing on opposite sides of the same chips.

Micron and SK Hynix Ride Wall Street’s Boldest Memory Call

Bank of America semiconductor analyst Vivek Arya reiterated a Buy rating on Micron with a $1,550 price target Tuesday, arguing that open-source AI models multiply memory demand instead of shrinking it. The note also flagged ChangXin Memory Technologies, a fast-growing Chinese DRAM maker, as competing mainly in commodity chips rather than the HBM3E and HBM4 parts that feed AI accelerators, meaning it isn’t yet a threat to Micron’s highest-margin business.

The number itself tells a story of its own. Arya’s price target has climbed four times since spring, and the pace of that climb says something about how fast Wall Street’s model of the memory market has changed.

• $500: the starting point before this year’s re-rating began.
• $950: raised in May on an updated 2030 AI data center market forecast.
• $1,500: raised in June even as a memory-stock selloff was hitting Asian markets.
• $1,550: the current target, reiterated Tuesday on the open-source demand argument.

Micron’s own numbers back up the bullish case. The company’s record fiscal third-quarter revenue reached $41.46 billion, more than quadruple the year-ago period, with non-GAAP earnings of $25.11 a share and gross margin near 85%. Micron chief executive Sanjay Mehrotra has pointed to the strategic value of memory in the AI era as the driver behind that jump, and the stock is up roughly 700% over the past year on the back of it.

Much of that confidence rests on contracts, not just spot prices. Micron has 16 long-term supply deals running through 2030, covering roughly a fifth of its DRAM volume and a third of its NAND volume, with take-or-pay terms and price floors built in. That is what is turning what used to be a boom-and-bust commodity business into something closer to a subscription.

SK hynix (SKHY) is riding the identical wave from Seoul. The company posted a record first quarter, with revenue soaring 144% year over year to 52.1 trillion won and an operating margin of 72%, driven by high-bandwidth memory and premium DRAM. Its market capitalization briefly crossed $1 trillion at the end of May, and its stock has surged more than 300% since the start of the year.

Calix Shows Exactly Who Pays for Pricier Memory

Calix, which sells network equipment and cloud software to broadband providers, reported a genuinely strong quarter. Non-GAAP earnings of $0.47 a share beat estimates by seven cents, and revenue rose 21.3% year over year to a record $293.3 million.

Investors sold the stock anyway, sending shares down about 7% to roughly $35.78. The reason sat lower in the income statement. Non-GAAP gross margin slipped to 54.8%, and appliance gross margin fell sequentially to 52.8%, as memory component costs surged on strong demand from AI data centers.

Calix is trying to claw the cost back through customer surcharges, but management has said the program is designed only to recover the higher expense, not to add profit, which is exactly why it still drags on percentage margins. The company expects the pressure to keep building before it eases: full-year gross margin is projected to decline by 50 to 150 basis points, with roughly 200 basis points of that tied directly to memory costs through 2026 because the surcharge revenue itself carries little to no margin.

Third-quarter guidance reflects the same squeeze. Calix expects revenue of $301 million to $307 million alongside a non-GAAP gross margin of just 50.5% to 53.5%, and executives have said appliance margin should bottom out that quarter. Roth Capital, which still rates the stock positively, has told clients the memory-cost pressure creates real uncertainty for the next quarter but should ease by late 2026 or early 2027.

TSMC’s 2027 Price Increase Spreads the Cost Further

Taiwan Semiconductor Manufacturing, the industry’s largest contract chipmaker, is about to send its own bill to the rest of the tech world. Nikkei Asia reported Tuesday that TSMC has finalized base price increases of 5% to 10% across both advanced and mature chip production, with mature nodes such as 12-nanometer, 16-nanometer and 28-nanometer facing increases up to the top of that range. Customers who add high-performance computing orders beyond their original forecasts face a further premium of 10% to 15% on top.

The new prices take effect at the start of 2027, after negotiations that began in June and wrapped up in July. Apple, TSMC’s largest customer, relies on the foundry for its A-series and M-series chips, and the timing lands in the same year the company is expected to expand its iPhone lineup.

TSMC is framing the move as measured, in deliberate contrast to how memory suppliers have behaved. Chief executive C.C. Wei told analysts, “We don’t suddenly increase our price,” and a company spokesperson added a sharper line when Reuters asked about the report.

Our pricing strategy is strategic, not opportunistic. We will continue to work closely with customers and sell our value to them.

That restraint has not stopped TSMC’s own numbers from looking a lot like Micron’s. Second-quarter revenue hit $40.2 billion, up 34% year over year, with a gross margin of 67.7%, an all-time high, and the company raised its full-year revenue growth forecast to over 40% while lifting capital spending guidance to $60 billion to $64 billion. Rising costs for materials, equipment and new overseas fabs are the stated reason for the coming hike.

Five Days Earlier, the Same Sector Was in a Bear Market

Tuesday’s rally followed a genuinely rough stretch. The Philadelphia Semiconductor Index had entered bear-market territory as of July 17, down more than 20% from its late-June all-time high after its largest weekly decline in over a year. Micron itself closed at $848.95 that Friday, a roughly 19% decline over the prior month that Bank of America attributed to a broad memory-sector selloff rather than any company-specific problem.

That kind of whiplash is now a pattern rather than an exception for this stock, something Budgy App has tracked through Micron’s own recent bear-market plunge even as the underlying business kept printing records. Not every investor is buying the recovery story, either. Short seller Michael Burry has taken the other side of this trade, and Budgy App has reported on Michael Burry’s short position against Micron even as the company posts one blowout quarter after another.

That split is visible right now among the analysts and investors watching the stock.

• Bank of America treats DRAM and HBM as structural AI infrastructure rather than a cyclical commodity, framing the July pullback as what Arya has called a “summer reset.”
• Michael Burry has bet against Micron directly, disclosing a short position even as the company keeps beating estimates.
• Roth Capital sits in between, calling Calix’s quarter strong overall while still flagging memory-cost uncertainty that may not clear until late 2026 or early 2027.

What Could Break the Memory Supercycle

The clearest threat to the bull case, on paper, is the same one that has rattled chip stocks before: cheaper AI training reducing the need for memory-hungry data centers. Budgy App covered how chip stocks trimmed losses on Kimi K3-driven DeepSeek fears earlier this year, and Bank of America’s own Tuesday note was written specifically to rebut that logic, arguing open-source models are multiplying memory demand rather than shrinking it.

Chinese competition is the other variable analysts are watching, though not yet the one they’re worried about. ChangXin Memory Technologies is expanding aggressively, but it remains focused on commodity DRAM rather than the advanced HBM3E and HBM4 parts driving today’s pricing power, and it is still unclear whether Chinese memory makers will get access to the US equipment needed to close that gap soon.

Regulation could also loosen a different kind of constraint. Bank of America expects Micron’s CHIPS Act restrictions on share buybacks to expire around December 2026, which would let the company return cash to shareholders at scale for the first time since taking federal funding. That cash is already flowing into capacity. Micron’s own $7.1 billion in fresh capital spending last quarter came alongside $18.3 billion in adjusted free cash flow, funding the exact expansion the industry needs to eventually cool prices back down.

Until that new supply arrives, the chain runs the way it did Tuesday. Memory makers price on their terms, foundries follow with smaller, slower increases, and everyone downstream absorbs what’s left.

Frequently Asked Questions

What is high-bandwidth memory and why does it carry a premium price?

High-bandwidth memory, or HBM, stacks memory chips vertically so they sit closer to an AI processor and move data faster than standard DRAM. Bank of America forecasts the broader HBM market growing to $246 billion by 2030, and that scarcity is a big reason Micron and SK hynix can charge more for it than for commodity memory.

How many long-term supply contracts protect Micron’s pricing?

Micron has signed 16 strategic customer agreements running on five-year terms from 2026 through 2030, covering roughly a fifth of its DRAM volume and a third of its NAND volume. The deals include take-or-pay commitments and price floors and ceilings, which is why management expects at least half of company revenue to eventually run through these contracts rather than the spot market.

Is Apple exposed to TSMC’s 2027 price increase?

Yes. Apple is TSMC’s largest customer and depends on the foundry for the A-series and M-series chips that power the iPhone and Mac. The new pricing lands in 2027, the same year Apple is expected to expand its iPhone lineup, and it is not yet clear whether Apple will absorb the higher cost or pass it along to buyers.

What caused the memory-stock circuit breaker in South Korea earlier this year?

A memory-stock selloff that began in South Korea in June briefly hit Samsung Electronics and SK hynix with declines of more than 12% each in a single session, triggering a circuit breaker on the Kospi. Micron fell about 11% the same day, sliding to roughly $1,075 from a Monday record close of $1,211.38, before Bank of America used the drop to raise its price target rather than lower it.

Disclaimer: This article is for informational purposes only and does not constitute investment advice. Semiconductor and memory stocks are volatile, and readers should consult a licensed financial professional before making investment decisions. Figures are accurate as of July 22, 2026.