Semiconductor stocks are ripping higher again, and the backdrop is getting hard to ignore. The Nasdaq PHLX Semiconductor Index (SOX) has climbed about 34% over its current 14-day winning streak, putting it on pace for its best 14-day run since 2002. It is also chasing a ninth straight record close, a stretch the index has not seen since 1995.
That is the kind of setup that invites bubble talk. Yahoo Finance framed the move against the dot-com era and pointed to the SOX trading more than 16% above its 50-day moving average, a level BTIG’s Jonathan Krinsky said has historically led to weaker short-term returns. Yahoo also highlighted how quickly several of the biggest AI-linked chip names have moved in April, including Micron, Broadcom, Nvidia, and TSMC.
The better way to read the move is through Micron (MU). The stock gives investors a cleaner way to judge whether this rally is being pushed by speculation or by a real change in semiconductor economics. Micron’s surge has come with explosive revenue, record margins, and unusually strong visibility around high-bandwidth memory demand.
The semiconductor sector heat is real and the numbers are big
This rally is not happening in a vacuum. TSMC raised its annual revenue forecast in April and signaled capital spending at the high end of its range, while ASML also lifted its 2026 outlook as AI-related demand stayed strong. Those are two of the most important bellwethers in the semiconductor supply chain, and both are telling the market the AI buildout is still accelerating.
The broader industry forecast is also getting bigger. Gartner said global semiconductor revenue is expected to jump 64% in 2026 to $1.32 trillion, with memory revenue tripling to $633.3 billion. Gartner also expects DRAM prices to rise 125% this year and NAND prices 234%, while warning that higher memory prices could delay non-AI demand into 2028.
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Micron is where the rally gets more serious
Micron’s latest results explain why the stock has become such a focal point. In fiscal second-quarter 2026 results released in March, the company posted revenue of $23.86 billion, up from $8.05 billion a year earlier. Non-GAAP gross margin reached 74.9%, and non-GAAP earnings per share came in at $12.20. For fiscal Q3, Micron guided to roughly $33.5 billion in revenue, about 81% gross margin, and $19.15 in non-GAAP EPS.
Micron also gave investors something memory stocks rarely offer: forward visibility that looks unusually firm. In its investor materials, the company said it had completed agreements on price and volume for its entire calendar 2026 HBM supply, including HBM4. Micron also said the HBM total addressable market could rise from about $35 billion in 2025 to roughly $100 billion in 2028.
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The company added another important proof point in March when it said it had begun high-volume production of HBM4 designed for Nvidia’s Vera Rubin platform. That tied Micron even more directly to the next wave of AI infrastructure spending, rather than leaving it as a secondary beneficiary of broader data-center demand.
Micron by the numbers
- Fiscal Q2 2026 revenue: $23.86 billion
- Non-GAAP gross margin: 74.9%
- Non-GAAP EPS: $12.20
- Fiscal Q3 revenue guidance: about $33.5 billion
- Fiscal Q3 gross margin guidance: about 81%
- Fiscal Q3 non-GAAP EPS guidance: about $19.15
Some of the chip market’s biggest recent winners
- Micron: up about 41% in April
- Broadcom: up about 38% in April
- Nvidia: up about 22% in April
- TSMC: up about 17% in April
Data by Yahoo Finance
The old risk has not disappeared
Micron is still a memory company, and that history matters. Memory cycles have a habit of looking structural right up until supply catches up and pricing rolls over. Gartner’s warning on “memflation” is one reminder that today’s tightness will not last forever, even if the current shortage still looks real.
The company is posting some of the strongest numbers in the market, and AI demand is giving memory a much more strategic role than it had in earlier cycles. At the same time, investors still know how quickly a memory boom can turn once capacity expands.
The semiconductor rally may look euphoric at the index level. Micron is where investors can decide whether the move is being justified by earnings and booked demand, or whether the market is getting ahead of itself again.
Related: Arm stock’s AI push hits key chart test
