COHR, AAOI, LITE, POET: Photonic Stocks Join Google Capex-Fueled AI Rally
Photonics stocks Coherent (COHR), POET Technologies (POET), Lumentum (LITE), and Applied Optoelectronics (AAOI) rose 1% to 1.7% after Alphabet reported a 100% YoY increase in Q2 2026 CapEx to $44.92B and raised its full-year forecast to $195B-$205B, signaling strong AI infrastructure demand. These companies supply optical components for data centers, benefiting from Alphabet's spending plans.
How this was made
The 30-second read
Why it matters
The announcement lifts sentiment for photonics suppliers that provide optical components for AI data centers, driving short‑term price gains.
Market read
Alphabet's capex surge acts as a catalyst for photonics stocks, creating short‑term trading opportunities across the sector.
What to watch
Supply‑chain constraints or slower-than‑expected data‑center build‑outs could limit demand for optical components.
Background
Alphabet announced its Q2 capex doubled YoY to $44.92 bn and raised full‑year guidance to $195‑$205 bn, signaling robust AI infrastructure investment.
Ticker impact
Coherent Corp shares rose ~1% in overnight trading after Alphabet announced doubled Q2 capex, boosting photonics demand.
Potential 2‑3% upside over the next few days if capex guidance holds.
Alphabet's capex surge directly fuels demand for Coherent's optical components, supporting near‑term buying pressure.
Applied Optoelectronics gained ~1% in overnight trade as Alphabet's higher capex forecast signals stronger demand for optical transceivers.
Likely 2% upside in the near term.
AAOI supplies high‑speed transceivers; Alphabet's spending boost is a clear catalyst.
Lumentum Holdings rose ~1.7% after Alphabet's capex increase, indicating higher demand for its laser and networking components.
Expect 2‑3% upside if the AI‑data‑center narrative persists.
LITE is a key supplier; Alphabet's capex news is a fresh catalyst for the stock.
POET Technologies shares climbed ~1% in overnight trading as Alphabet's capex boost raises expectations for optical engine demand.
Potential 2% gain in the coming days.
POET's optical interposer platform aligns with AI data‑center needs highlighted by Alphabet's spending.
Market effects
Strengthens the AI‑infrastructure and photonics sector outlook, supporting related hardware suppliers.
U.S. tech and semiconductor markets may see modest gains as AI capex expectations rise.
Global data‑center builders worldwide could increase orders for optical components.
Counterpoint
If Alphabet's capex guidance proves overly optimistic, photonics stocks could face a pull‑back, especially given recent pullbacks since May.
Key entities
- companyAlphabet Inc.
Google parent; disclosed higher AI‑related capital expenditures.
- companyCoherent Corp.
Photonics supplier benefiting from AI data‑center demand.
- companyApplied Optoelectronics
Optical transceiver maker seeing price uplift.
- companyLumentum Holdings
Laser and networking component provider.
- companyPOET Technologies
Developer of optical interposer platforms.


