Micron Technology reported a record fiscal fourth quarter after Wednesday's U.S. close, beating Wall Street estimates on both sales and earnings as demand for high-bandwidth memory used in artificial intelligence systems stayed blistering, then guided the next quarter even higher.
What Micron delivered after the bell
The Boise memory maker said fiscal fourth-quarter revenue reached 54.23 billion dollars, up from 41.46 billion in the prior quarter and nearly five times the 11.32 billion it posted a year earlier. Adjusted earnings came in at 33.42 dollars a share, ahead of the roughly 31.61 dollars analysts polled by LSEG had expected, while sales also cleared the consensus near 51 billion. On a full-year basis Micron booked about 133.2 billion dollars in revenue, versus 37.4 billion the year before, and generated tens of billions in operating cash flow as pricing power and volume both swung in its favor. Non-GAAP gross margin for the quarter sat near 87 percent, underscoring how scarce AI-grade memory has become relative to the servers and accelerators that need it.
Guidance for the fiscal first quarter of 2027 was equally aggressive. Management pointed to about 61.5 billion dollars in revenue, plus or minus 1.5 billion, and adjusted earnings near 38.15 dollars a share. That outlook sits well above the prior Street framing around 57 billion in sales and roughly 35 dollars in adjusted earnings, and it lands as Micron remains the only major U.S.-based producer of high-bandwidth memory, the stacked chips that feed advanced graphics and central processors from firms such as Nvidia and AMD. Chief executive Sanjay Mehrotra called fiscal 2026 a record year and said the company expects an even stronger 2027, citing strategic customer agreements that lock in multi-year demand and give investors a clearer view of how durable the cycle might be.
Why the AI memory story still dominates
The print arrives in the middle of a global shortage of memory geared to artificial intelligence workloads. Cloud builders and chip designers have been racing to secure supply, and that scramble has lifted prices for high-bandwidth modules while spilling into consumer electronics costs as manufacturers compete for the same wafer capacity. Micron's mix shows how concentrated the boom has become: cloud and core data-center lines now dwarf older cyclical segments, and sequential growth in those units remains the main engine behind the headline numbers. Investors treat each Micron report as a live readout on whether the AI infrastructure buildout is still accelerating or starting to digest earlier orders.
Shares edged higher in extended trading after the release, a muted move after a year in which the stock has already surged more than fivefold on the same theme. Options markets had been pricing a swing of roughly 7 percent either way into the report, so the modest after-hours reaction suggests much of the beat was anticipated even as the raised guide kept the narrative intact. For desks that spent Wednesday fading an early rally on softer inflation data, Micron offered a separate story: one corner of technology still printing record cash while the broader tape wrestled with sticky long yields and a weak close for the Dow and S&P 500.
How Wall Street handed the session to Asia
Cash equities finished mixed before the Micron headlines hit. The Dow Jones Industrial Average dropped about 444 points, or 0.86 percent, to close near 50,906, and the S&P 500 slipped 0.25 percent to about 7,652, leaving both indexes with September losses. The Nasdaq Composite managed a 0.24 percent gain to finish near 26,861 after an early jump on cooler personal consumption expenditures inflation faded into the afternoon. Traders had opened the day cheered by a softer-than-feared August price gauge and solid private payrolls from ADP, only to watch buying evaporate as Treasury yields stayed elevated and oil held near recent highs. That left the quarter-end handover to Asia focused less on the morning relief and more on whether AI-linked names can keep carrying risk appetite into October.
For Tokyo, Seoul and Taipei in particular, Micron's beat is a sector signal as much as a single-stock event. Memory peers and equipment suppliers often track the same AI capex cycle, and a raised outlook from the U.S. HBM specialist tends to firm overnight sentiment even when U.S. blue chips close soft. The open question into Thursday's start of the fourth quarter is whether strong chip guidance can outweigh the drag from still-high long bond yields and another week of energy-linked inflation worry ahead of Friday's official jobs report.
Does Micron's raised guide keep AI memory stocks leading Asia's open, or do high U.S. yields still set the tone?
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