SanDisk Jumps 11%, Western Digital Rises 7% After Apple Flags “Unavoidable” Memory Price Hikes
The post SanDisk Jumps 11%, Western Digital Rises 7% After Apple Flags “Unavoidable” Memory Price Hikes appeared first on 24/7 Wall St..
- SanDisk (SNDK) surged 11% to $2,166.83 after Apple CEO Tim Cook confirmed memory chip costs are forcing product price hikes, validating pricing power for storage suppliers.
- Western Digital (WDC) jumped 9% to $772.92 as Cook's comments confirmed the structural NAND and HDD demand tailwind both companies are riding in the AI infrastructure supercycle.
- SNDK trades at 72x trailing P/E and WDC at 41x with YTD gains of 725% and 314%, raising blow-off-top warnings.
- Monitor Q4 2026 earnings guidance from both companies for commentary on memory pricing sustainability and hyperscaler AI demand signals.
- Act now: the analyst who called NVIDIA in 2010 just named his top 10 AI stocks — and SanDisk didn't make the cut. Grab the names FREE today.
SanDisk (NASDAQ:SNDK) stock is surging in Thursday trading, up 11% to $2,170. Western Digital (NASDAQ:WDC) stock is also flying, up 7% to roughly $764. The catalyst landed before the open and hit memory and storage names broadly.
The trigger came from Apple (NASDAQ:AAPL) CEO Tim Cook, who told the Wall Street Journal that surging memory and storage chip costs are forcing price increases on Apple products. Cook called the hikes “unavoidable” and described the supply backdrop as having “become unsustainable.”
That’s a striking signal coming from the world’s largest consumer-electronics buyer. Traders are reading it as direct confirmation of the memory pricing tailwind both SanDisk and Western Digital have been riding.
Tim Cook’s Memory Comments Light the Fuse
Apple sources NAND flash storage from suppliers including Western Digital, SanDisk, and Micron Technology (NASDAQ:MU), so the read-through to SanDisk stock and Western Digital stock is immediate. If Apple is openly absorbing higher memory costs and passing them through, suppliers are presumed to be capturing pricing power.
The fundamentals are already pointed that way. SanDisk delivered a blowout fiscal Q3 2026, reporting EPS of $23.41 versus $14.66 expected on revenue of $5.95 billion, up 251% year over year (YoY), with its datacenter segment alone climbing 645% YoY. Western Digital’s Q3 FY2026 was similarly strong, with non-GAAP gross margin of 51%, the company’s first reading above 50% in recent memory.
Western Digital CEO Irving Tan framed the demand picture bluntly, stating that “virtually every AI workload, from training, inference, agentic AI to physical AI, creates data that is stored persistently and cost-efficiently on HDDs.” Cook’s comments validated that thesis from the buyer side.
Super-Cycle or Blow-Off Top?
The move comes on top of historic runs. SanDisk stock is up 817% year to date (YTD), while Western Digital stock has gained 349% YTD. The valuations have stretched with the price action, with SanDisk now carrying a trailing P/E ratio of 72x and Western Digital a trailing P/E ratio of 41x.
The bulls argue the structural memory shortage is real and durable, with some analysts suggesting tightness is unlikely to ease before 2028. AI infrastructure spending is pulling NAND and HDD demand higher at the same time, and management commentary at both firms supports a multi-year pricing cycle. SanDisk CEO David Goeckeler called the most recent quarter “a fundamental inflection point” for the company.
The bears see something different, however. Reddit sentiment on SNDK is running at very bullish scores of 82 to 85 on r/WallStreetBets, with the dominant thread literally titled “Sandisk (SNDK) $1000 ITM”. That kind of retail call-option froth, combined with vertical price charts, has plenty of investors warning about a blow-off top. Western Digital’s beta of 2.2 reinforces that volatility cuts both ways.
Peers and Memory Group Confirm the Signal
Outside the U.S., the read-through showed up in real time. Korean memory makers SK Hynix and Samsung rose sharply in Seoul, and the Roundhill Memory ETF (DRAM) was up 10% on Thursday afternoon. That cross-asset confirmation is the kind of detail that gives the day’s narrative legs.
Western Digital’s own forward setup is supportive. The company guided fiscal Q4 2026 revenue to about $3.65 billion plus or minus $100 million with non-GAAP EPS near $3.25, and raised its dividend 20% to $0.15 per share. Meanwhile, SanDisk guided fiscal Q4 2026 revenue to $7.75 billion to $8.25 billion.
What to Watch
Investors can watch for whether SanDisk stock holds its gains into the close and whether peer memory names continue to follow the Apple read-through. With both tickers stretched and retail positioning crowded, traders may want to size their positions modestly.
The next scheduled catalyst is Q4 2026 earnings from both companies, where guidance commentary on memory pricing will likely set the tone. Management at SanDisk and Western Digital could reiterate the multi-year pricing cycle thesis, or they may signal softening in NAND and HDD demand from hyperscaler customers.
Act now: the analyst who called NVIDIA in 2010 just named his top 10 AI stocks — and SanDisk didn’t make the cut. Grab the names FREE today.
The post SanDisk Jumps 11%, Western Digital Rises 7% After Apple Flags “Unavoidable” Memory Price Hikes appeared first on 24/7 Wall St..
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