What happened

Over the past month, the companies that make the physical guts of the AI buildout — memory chips, fiber-optic cable, semiconductor substrates and the contract manufacturers that assemble AI servers — lost 10% to 30% of their market value. In the same stretch, the IT-consulting firms and identity-security software makers that had spent the past year being priced as AI's casualties jumped 10% to more than 40%. The trigger was not gradual: a single event, an AI-chip selloff in the week of July 27-29 that wiped more than $1 trillion off chip stocks after Meta signaled excess data-center compute capacity and Alphabet raised 2026 capital-spending guidance to $195-205 billion while posting negative quarterly free cash flow, reviving fears that hyperscalers are overbuilding AI infrastructure. The same week, Jefferies upgraded Indian IT-services stocks from underweight to neutral, citing reduced worry about the AI trade and explicitly framing the move as money rotating out of chip names.

The hardware side: guidance up, stocks down

Micron (MU), the memory-chip maker whose DRAM and high-bandwidth memory go into AI servers, posted revenue up 196% year over year with its entire fiscal-2026 HBM capacity sold out under non-cancellable contracts — yet its stock fell roughly 16-20% in the same window. Corning (GLW), which makes the fiber-optic glass and cable used in AI data-center networks, fell about 30%, but most of that came in a single-day drop after a guidance miss in its own earnings print, not a cohort-wide rotation; it still trades at roughly 52 times forward earnings. Celestica, Jabil and Sanmina, the contract manufacturers that assemble AI server racks, all beat and raised guidance in July even as every name in that group saw its trend band cut. MaxLinear (MXL), a networking-chip maker, LightPath Technologies (LPTH), an optical-components maker, and POET Technologies (POET), a pre-revenue developer of optical chips with just $503,000 in quarterly revenue and negative gross margin, all lost their bullish trend status in the same three-day window — though LPTH and POET were only modestly bullish beforehand, not the strong uptrends the price action implies. AXT Inc (AXTI), which makes semiconductor substrate wafers, was downgraded on the charts even though its stock actually rose 6.7% over the 30 days — a reminder that cohort averages here are pulled by a handful of names, not moved uniformly.

The services side: stocks up, guidance mixed

EPAM Systems (EPAM) and Globant (GLOB), both software-engineering outsourcing firms, jumped roughly 13-20% in July and remain statistically inexpensive even after the bounce — 15.2 and 14.9 times trailing earnings, versus richer peers like Grid Dynamics (GDYN), a smaller AI-consulting firm trading near 230 times trailing earnings on a thin profit base. But EPAM, Globant, Infosys and Cognizant all cut or lowered guidance in their latest prints, and Wipro (WIT), an Indian IT-outsourcing firm, rallied on sector sentiment rather than its own numbers. Okta (OKTA), an identity and access management software maker, is a different story: it never fell out of favor and now trades near 100 times trailing earnings with growth decelerating to 9-11% and a consensus price target sitting about 13% below the current price. SailPoint (SAIL), a rival identity-security firm, only crossed into bullish territory on July 30-31 — two days after this desk's own prior analysis found it had briefly touched bull territory in June before reverting, meaning the current flip is unconfirmed, not an established trend.

Sector versus stock, and the verdict

The hardware decline is genuinely sector-wide — memory, RF, EMS and optical names moved together on one catalyst — but it is multiple compression after a run that saw some names gain 81% to 456% over the trailing year, not a demand slowdown; order books and guidance at Micron, Celestica, Jabil, Sanmina, Texas Instruments, Analog Devices and Microchip all improved in the same window their stocks fell. That is a business/price divergence that CONTRADICTS the bearish framing of the hardware selloff. The services rally is real and broad but not yet backed by bookings: Accenture's bookings fell, and several consultancies cut guidance the same week they rallied, making this a valuation catch-up rather than a confirmed re-acceleration — INCONCLUSIVE on fundamentals, CONFIRMS only on price momentum. Both hardware and services multiples remain elevated relative to their own history in several names (GLW at 52x forward, OKTA at 100x trailing), meaning the give-back on one side and the bounce on the other have not obviously restored value on either.

The setup

Where it stands — Hardware names fell 10-30% in July on a sector-wide AI-capex scare despite raised guidance; services/identity names rose 10-40% despite mixed bookings. Would confirm — Hyperscaler Q3 capex guidance holds or rises and Micron/Celestica book-to-bill stays above 1.0 into September. Would invalidate — Services cRPO or net-new ARR at EPAM, Globant or Okta shrinks in the next reported quarter despite the price rally. Watch next — Next hyperscaler earnings cycle (late October 2026) and EPAM/Globant Q3 reports for bookings confirmation. Valuation — GLW ~52x forward P/E vs its own multi-year range; OKTA ~36x forward EPS with PT 13% below spot; EPAM/GLOB near 15x trailing, below sector norm.