
October 29th, 2026
Alphabet's stock had its worst day in over 20 years.
It fell 12.6%.
Alphabet owns Google and YouTube.
The company said its summer growth was weaker than analysts expected.
This added to worries.
People worry about its big spending on AI.
They ask if it will pay off.
The drop pushed the U.S. market down on Thursday.
The S&P 500 fell 0.3%.
This was its first loss in four days.
Most stocks in the index still rose.
The Nasdaq composite fell 1.4%.
The Dow Jones Industrial Average dropped 132 points, or 0.3%.
Alphabet gave its report late Wednesday.
It said it used more cash last quarter.
It bought over $51 billion of property and equipment.
This is a measure called free cash flow.
People worry about the whole AI industry.
They ask if the AI boom will make as much profit as hoped.
Borrowing money to buy more chips is also more expensive now.
Alphabet's loss hid a good day for the market.
Four out of five stocks in the S&P 500 went up.
KLA Corp. rose 5.5%.
Eli Lilly rose 6.6%.
Mastercard rose 4.2%.
Merck rose 3.8%.
All these had stronger profits than analysts expected.
DoorDash rose 5.6%.
It agreed to buy Instacart for $17 billion.
Norwegian Cruise Line jumped 13.4%.
It did better than expected.
October 29th, 2026

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