This does look like “sell the news” on the surface, but the underlying issue is deeper. The market is not questioning AI demand. It is questioning AI economics and capital intensity.

When Alphabet announces it is being “rebuilt for AI”, investors hear two things:

Long-term dominance potential

Near-term margin dilution and heavier capex cycles

The joint structure with Blackstone reinforces that concern. It signals:

Data centre buildout is too capital-intensive to fully internalise

Returns may be shared, delayed, or structurally lower than expected

So the decline is not just profit-taking. It is a repricing from narrative to ROI discipline.

On whether AI is already priced in:

Partially, yes. The market had already priced:

Gemini scaling

Search + AI monetisation

Cloud acceleration

What is not fully priced is:

Sustained margin compression from AI infra

Slower capital return (buybacks vs reinvestment)

On levels to add, assuming you meant ~$160 (not $40):

~$160: fair value zone, neutral risk/reward

~$145–150: more attractive, where growth vs valuation rebalances

~$130s: strong accumulation zone if macro weakens

I would not rush. Let NVDA earnings and yields settle first. If rates stay high, even strong AI names like Alphabet will drift before the next leg up.