Onto Innovation's Q2 blowout sent the advanced-packaging metrology choke up 15% and a US transceiver-restriction report lit the optical layer, while FUJIFILM's ADR fell on a group profit miss driven by its bio-CDMO arm, not its chips.

Onto Innovation led the basket, up +14.7% to $308.30, after a fiscal-Q2 report that beat on every line: revenue of $343.1M rose 35.3% year over year against a ~$325M estimate, adjusted EPS of $1.93 topped $1.68, and non-GAAP gross margin held at 57%. Management guided Q3 revenue to $380–400M — well above the ~$351M consensus — and now expects advanced-packaging revenue to grow roughly 80% in 2026. Onto is the metrology-and-inspection chokepoint for advanced packaging: the machines that measure the copper pillars, hybrid bonds and warpage on the 2.5D/3D stacks every HBM cube and AI accelerator is built from, so its order book is a leading read on where the packaging bottleneck actually is.

The laggard needs a caveat. FUJIFILM's US ADR fell −6.5% to $10.28 after the group's fiscal-Q1 report (released August 6) showed operating income down 32% to ¥51.2B, missing a ~¥77B estimate; its Tokyo line took a record one-day drop of roughly 16–18%. Crucially, the miss came from higher fixed costs in its Bio CDMO business and one-time Business Innovation charges — not from the compute-relevant arm. FUJIFILM actually raised its full-year revenue forecast to ¥3.56T on robust electronics demand, so at this vertical's photoresist-and-electronic-materials choke the franchise is intact; the ADR fell on a group-level profit problem elsewhere in the conglomerate.

The interconnect layer was the session's real signal, lifted by a report that US officials are weighing restrictions on Chinese-made optical transceivers. Coherent jumped +13.4%, Applied Optoelectronics +9.2%, Credo +8.4%, Lumentum +6.2% and Fabrinet +3.4% across the optical-transceiver choke, with Marvell +3.9% on the DSP side. The materials-and-metrology names firmed — Entegris +6.6%, KLA +2.5%, Applied Materials +2.2%, ASML +2.1% — and SUMCO bounced +6.2% off its prior-session wafer selloff. Power stayed bid (Constellation +3.4%, Talen +2.8%) and the neocloud CoreWeave rose +6.3%, while memory lagged the tape (Micron −0.4%, SK hynix roughly flat).

The catalyst run is relentless. Applied Materials and Coherent both report August 13, Lumentum August 18, Marvell August 20, then Hot Chips at Stanford August 23–25, Fabrinet August 24, NVIDIA August 26 and Broadcom September 3. The question the tape keeps asking is where in the stack the AI-capex dollars land — and Friday's answer was the advanced-packaging metrology floor and the optical-interconnect layer, the two chokepoints closest to the physical assembly of an accelerator.