NEW YORK, July 30, 2026, 05:10 EDT
- Micron ended Wednesday’s session down 9.94% and slipped a further 1.27% in premarket trading ahead of Thursday’s open.
- An initial assessment shows that equities lost about $92.1 billion in value on Wednesday—roughly five times the most recent quarterly adjusted free cash flow.
- Robust peer profits indicate ongoing demand. However, investors are focusing on margins, the stability of contracts, and Chinese production capacity.
Micron lost about $92 billion in market capitalization on Wednesday, based on its 1.13 billion shares outstanding. The stock ended the session at $739 and fell to $729.65 in premarket trading.
U.S. cash markets were shut at the dateline. Nasdaq saw activity in premarket hours, ahead of its regular opening at 09:30 EDT.
The downturn was widespread but particularly sharp. The Nasdaq slipped 1.74%, and Micron tumbled 9.94%. SK Hynix delivered record profits, yet these results did not match high expectations.
The divergence is evident in the referenced reports. The Motley Fool emphasized ongoing constraints in memory supplies. Seeking Alpha underscored positive supply-demand trends and stock valuation. Meanwhile, BoiseDev drew attention to issues related to China.
Micron’s swift price shift
| Reference point | Price or value | Change |
|---|---|---|
| July 23 close | $990.21 | — |
| July 29 close | $739.00 | -25.4% |
| 52-week high | $1,255.00 | -41.1% |
| July 30 premarket, 05:04 EDT | $729.65 | -1.27% from close |
| Provisional loss in value Wednesday | $92.1 billion | Preliminary |
The figures are based on reported closing prices and Micron’s most recent share count.
Micron’s most recent quarter demonstrated outstanding performance, with revenue climbing to $41.46 billion, an increase of roughly 346% compared to the same period last year. The GAAP operating margin stood at 80.4%.
The company projected fiscal fourth-quarter revenue at $50 billion, with a potential variation of $1 billion. Gross margin is anticipated to be around 86%. HBM4 memory was reported as shipping in high volumes.
SK Hynix KRX:000660 issued a comparable update on Wednesday, reporting that preliminary revenue surged by 257% and operating profit climbed 557%. However, its stock dropped 10%.
Samsung Electronics KRX:005930 posted a surge in chip profit exceeding 250 times. The semiconductor margin climbed to 70%, but shares finished down 0.7% on Thursday. “Investors are questioning how long their record-high margins will be sustainable,” said Mirae Asset analyst Kim Seok-hwan. Reuters
Record activity, limited equity reaction
| Company | Latest revenue growth | Reported operating margin | Latest cited share move |
|---|---|---|---|
| Micron | Up 346% compared to previous year | 80.4% GAAP | Shares fell 9.94% on Wednesday |
| SK Hynix | Up 257% from a year earlier | 76% | Shares dropped 10% on Wednesday |
| Samsung Electronics | Up 130% compared with a year ago | 70% chip unit | Shares were down 0.7% on Thursday |
The figures from SK Hynix are preliminary. Samsung’s revenue growth reflects the entire group, while its margin pertains specifically to semiconductors.
Contract structure has emerged as the latest investor variable. Micron expects that multi-year customer deals will enhance financial visibility. SK Hynix has secured agreements with roughly 10 customers.
Samsung plans to secure multi-year contracts for about two-thirds of its memory production, with agreements lasting at least five years and featuring minimum price guarantees. Executive Jaejune Kim said: “Almost all customers are requesting multi-year supply contracts.” Reuters
These terms may transform peak pricing into more consistent cash flow. However, this is an assumption rather than a proven effect. New supply could continue to challenge future contract renewals.
Comparison of trailing valuations
| Company | Trailing P/E | Difference from Micron |
|---|---|---|
| SK Hynix | 12.52 | 25% below |
| Samsung Electronics | 16.59 | 1% below |
| Micron | 16.73 | — |
| Western Digital NASDAQ:WDC | 27.63 | 65% above |
| Sandisk NASDAQ:SNDK | 35.32 | 111% above |
Micron is priced lower than U.S.-listed storage firms, but its valuation is not below that of its main South Korean memory rivals.
The cash-flow argument appears more compelling, though it involves higher risk. Micron’s market value of $834.62 billion represents 11.4 times its annualized adjusted free cash flow for the third quarter. This initial pace is not a projection; it presumes the record quarter continues as is.
China continues to represent the most prominent long-term threat. According to reports, domestic manufacturers aim to produce five immersion lithography systems in the current year, increasing to 20 in 2027. In comparison, ASML Holding NASDAQ:ASML delivered 131 similar systems in 2025. Analysts at JPMorgan described the medium-term impact as contained while cautioning over mounting long-term risks.
Upcoming memory market drivers this week
| Company | Date and time | Event |
|---|---|---|
| Kioxia Holdings TYO:285A | July 31, 15:30 JST | First-quarter results for fiscal 2026 |
| Sandisk | August 5, 16:30 EDT | Results for fiscal fourth quarter and the full year |
Kioxia is set to report on Friday, offering a gauge of NAND prices and the sector’s supply discipline. Sandisk’s fiscal-year results are due the following week.
Risks: Memory continues to show significant cyclicality. Reduced AI investment, rapid growth by Chinese competitors, or less favorable contract agreements might pressure margins. Ongoing supply shortages and the possibility of enforceable minimum prices, however, could mean Wednesday’s drop proves overdone.
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