Markets GOOGL JUL 25, 2026

Magnificent Seven sheds $797B in single session as Alphabet, Tesla capex shock triggers AI-ROI reckoning

Alphabet raised 2026 capex guidance to $195-$205B and posted negative FCF for the first time as a public company; the Bloomberg Mag7 Index fell 4.8% Thursday, its worst day since April 2025.

BY HENLEY MARRAST · MARKETS DESK

The Magnificent Seven shed $797 billion in market value on Thursday, with the Bloomberg Mag7 Index falling 4.8% in its worst session since the April 2025 tariff selloff. The trigger wasn’t a miss. It was two earnings beats that investors decided to read as capex confessions.

Alphabet lifted its 2026 capex guidance to $195–$205 billion, well above the prior $180–$190 billion range and the $186.4 billion analyst consensus. Q2 capex hit a record $44.9 billion, doubling year-over-year, with roughly 60% flowing to servers. Free cash flow came in at –$5.9 billion, the first negative print since Alphabet went public. The stock fell 7.3% to its lowest level since April.

The fundamentals were, by any historical yardstick, excellent. Revenue rose 24% to $119.8 billion. Google Cloud grew 82% to $24.8 billion. EPS of $9.11 crushed the $2.95 consensus, and remaining performance obligations swelled to $514 billion against a $488.1 billion expectation. None of it mattered against the spending line.

Tesla’s session was worse. Shares plunged 13%, the sharpest intraday drop since June 2025, after Q2 capex jumped 142% to $5.79 billion and free cash flow swung to a $1.1 billion deficit from a $146 million surplus a year earlier. Elon Musk guided full-year 2026 capex above $25 billion.

The contagion spread on vibes rather than fundamentals: Amazon fell 5%, Meta 4.7%, Microsoft 3.1%. The S&P 500 dropped 1.2% and the Nasdaq 100 sank 1.9%. Apple, notably absent from the hyperscaler capex arms race, is up 11% this month. Nvidia sold off in sympathy. The Mag7 index is now down roughly 11% from its May peak, about $2 trillion in evaporated market cap.

“AI skeptics have been waiting for a reason to sell, and the numbers finally gave them one,” said Ken Mahoney, CEO of Mahoney Asset Management.

What broke on Thursday wasn’t confidence in AI. It was the tacit 2023–2025 bargain in which hyperscalers could spend without justifying returns. The market has begun asking, quarter by quarter, when the depreciation schedules catch up to the narrative.

Sources

About the author

Henley Marrast

MARKETS DESK

Henley Marrast covers AI-equity flow, accelerator demand, and earnings prints for AI Sheet Report. She leads coverage of the public AI complex from the New York markets desk, with a focus on the daily tape and quarterly results. She has been writing about technology markets for several years.