Tuesday, August 04, 2026

Markets pushed higher to start the week — SPY added 1.42% to close at $757.67 and QQQ rose 1.76% to $700.07. The 524 AI infrastructure names we track outperformed by a full percentage point, averaging a 2.45% gain with 413 advancers against 108 decliners. Operators delivered the strongest segment read at +5.32%, while Utilities & Energy was effectively unchanged at +0.02%. ATKR (Atkore Inc.) surged 28.1% to headline the gainers, and VATE (INNOVATE Corp.) dropped 10.1% at the bottom of the list. Today’s calendar is packed: AMD, ANET, ALAB, CAT, and CMI all report, while the macro docket brings JOLTS job openings and factory orders.

ATKR posted fiscal Q3 adjusted EPS of $1.92, breezing past the $1.53 consensus. Shares soared 28.1%, the best performer in the universe.

AEIS (Advanced Energy Industries, Inc.) delivered a $0.53 beat with EPS of $2.74 against a $2.21 estimate. The stock moved higher on the session.

STRL (Sterling Infrastructure, Inc.) crushed estimates with EPS of $5.80 versus the $5.01 consensus. Shares rallied sharply.

UCTT (Ultra Clean Holdings, Inc.) reported EPS of $0.70, well above the $0.53 estimate.

ON (ON Semiconductor Corporation) edged estimates with $0.74 in EPS against a $0.715 consensus, though shares were little changed.

POWL (Powell Industries, Inc.) missed by $0.05 ($1.42 actual, $1.47 estimate), while ADTN (ADTRAN Holdings Inc.) fell short at $0.04 versus the $0.10 consensus.

AEHR (Aehr Test Systems) announced a follow‑on production order from a lead customer for its silicon photonics burn‑in systems.

ENPH (Enphase Energy, Inc.) said it is reinforcing U.S. manufacturing across residential, commercial, and AI infrastructure segments.

CAT (Caterpillar Inc.) reported second‑quarter results this morning.

CMI (Cummins Inc.) raised its full‑year outlook alongside a strong Q2 report.

AME (AMETEK, Inc.) reported record Q2 results and lifted full‑year guidance before the open.

→ AEHR’s follow‑on silicon photonics order could translate into incremental demand for test subsystems and power delivery components as photonics burn‑in cells scale — companies such as AEIS and AMAT may see related demand for precision power modules and chamber subassemblies.

→ ENPH’s AI infrastructure push may increase procurement of power semiconductors and analog components; suppliers of wide‑bandgap devices and power management ICs — including ON and NXPI — could benefit from expanded U.S. manufacturing.

→ The concurrent data‑center power narratives from CAT and CMI could foreshadow increased orders for switchgear, transformers, and power distribution equipment — names such as ETN and HUBB may capture flow‑through demand as hyperscale campuses add backup generation.

→ AME’s strong test‑and‑measurement quarter, tied to semiconductor complexity, is another positive signal for adjacent capital‑equipment providers — instrument companies like KEYS could see similar end‑market strength.

AMD reports after the close (estimate $1.61). The call is a critical check on MI‑series accelerator revenue, hyperscaler adoption of AMD’s data‑center GPU platform, and the trajectory of AI‑driven server CPU demand — all of which feed directly into packaging, test, and interconnect supply chains.

ANET also reports after the close (estimate $0.89). Commentary on 800‑gigabit and 1.6‑terabit switch orders will be closely parsed for the pace of AI network refreshes and any broadening of AI switching beyond the largest cloud tenants.

ALAB reports after the close (estimate $0.69). As a supplier of retimer and memory‑controller silicon for AI scale‑up systems, Astera’s results and guidance are a temperature check on whether hyperscale capex is translating into volume deployments of rack‑level connectivity.

VECO (Veeco Instruments Inc.) reports Wednesday (estimate $0.26). The MBE and laser‑annealing equipment provider sits at the intersection of compound‑semiconductor manufacturing and advanced packaging — both integral to photonics and chiplet‑based AI designs — making its order commentary highly relevant.

TLN (Talen Energy Corporation) reports Wednesday (estimate $3.02). Talen’s nuclear plant provides direct power to a hyperscale data center campus, offering a read on the commercial viability of the colocated generation model that more data center developers are exploring.