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Meta Added $100 Billion in One Day. A 350-Ad Scandal Arrived Hours Later.

Meta's stock surged on the promise of an AI agent that wants access to your inbox, calendar, and payments. Then a cease-and-desist letter arrived, and the question of whether users will actually hand over those keys got a lot more complicated.

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Stocks· September 10, 2026 at 07:00 PM
Authored by·Editorially reviewed
Onur Erkan Yıldız
Founder, Financial Engineer · CMB-licensed
NeutralMedium impact

AI summary

Meta's stock surged on the promise of an AI agent that wants access to your inbox, calendar, and payments. Then a cease-and-desist letter arrived, and the question of whether users will actually hand over those keys got a lot more complicated.

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