# AI Optics Shake-Up Looms

> Marvell eyes Lumentum buy as AI optics bottleneck intensifies.
- Title: AI Optics Shake-Up Looms · The Motley Fool | Shortify
- Summary: Marvell eyes Lumentum buy as AI optics bottleneck intensifies. Marvell may acquire Lumentum to control critical AI optics supply amid tight market conditions.
- Keywords: marvell, lumentum, ai optics, ai data centers, gpu chips, optical components, ai clusters, stock market, finance, money, Optics, Shake-Up
- Source: The Motley Fool — https://fool.com/investing/breakfast-news/2026/10/29/breakfast-news-brace-for-an-ai-optics-shake-up
- Author: TMF Breakfast News
- Published: 2026-10-29T11:30:02+00:00
- Read time: 1 min
- Topics: marvell, lumentum, ai optics, ai data centers, gpu chips, optical components, ai clusters, stock market, finance, money
## Marvell Plotting Lumentum Buy?
Marvell reportedly in advanced talks to acquire Lumentum, a key AI optics supplier.

> Marvell (MRVL +3.32%) is reportedly in advanced talks to acquire Lumentum (LITE +5.51%)
## AI Optics Bottleneck Tightens
AI clusters swap copper wires for light to connect chips, with Lumentum fully booked through 2029.

> AI clusters are swapping copper wires for light (optics) to connect chips
## Lumentum Stock Divergence
Lumentum worth $83 billion, over one third of Marvell’s market cap, driving stock divergence.

> Lumentum is worth about $83 billion now, more than one third of Marvell’s market cap
## Alphabet Stock Slumps 10%
Alphabet slumped over 10% despite 24.7% revenue growth as Google Cloud surges.

> Alphabet (GOOG +1.60%) slumped more than 10% in early trading
## Google Cloud Revenue Jump
Google Cloud revenue jumped 103% to $30.7 billion as businesses rent AI compute power.

> Google Cloud, its revenue jumped 103% to $30.7 billion
## Earnings Roundup: Stock Hammered
Fortinet fell 25% as Q3 revenue rose 20% but AI deployment costs hit profits.

> Fortinet (FTNT -5.90%) fell more than 25% in pre-market trading
## Microsoft Revenue Growth
Microsoft posted double-digit revenue growth with AI training runs increasing data center spend.

> Microsoft (MSFT -0.06%) posted double-digit revenue growth for the quarter ended Sept. 30
## Instacart and DoorDash Talks
DoorDash in talks to acquire Instacart, a top grocery delivery player with 68% market share.

> DoorDash (DASH -0.63%) was in talks to acquire Maplebear (CART -2.76%)
## Key takeaway

Marvell may acquire Lumentum to control critical AI optics supply amid tight market conditions.