Alphabet Cash Flow Turns Negative as AI Spending Spooks Investors

The stock market's tolerance for massive artificial intelligence investments is evaporating. Alphabet shares dropped more than 7% Thursday—their worst single-day decline in over a year—after the company disclosed capital expenditures could reach $205 billion in 2026 and reported negative free cash flow for the first time since its 2004 initial public offering.

The selloff came despite Alphabet delivering an 82% surge in cloud-computing revenue that exceeded Wall Street expectations. Investors fixated instead on the spending trajectory, signaling a fundamental shift in how the market values AI investments.

Why it matters

The investor revolt against AI capital spending creates immediate pressure on Microsoft, Meta, Apple, and Amazon as they report earnings next week. Together with Alphabet, these four companies are projected to spend $724 billion on capital expenditures in 2026 and nearly $950 billion in 2027. If the market continues punishing heavy spenders regardless of revenue growth, Big Tech faces a strategic dilemma: scale back AI infrastructure investments and risk falling behind competitors, or maintain spending levels and accept sustained stock price pressure.

The spending backlash spreads

"People are really focused on capex, obsessed with it. It used to be the more the better, but now it is the less the better," said Jason Lemire, chief investment officer at Bold Wealth Partners, as reported by Fortune. "We're seeing capital raises, negative cash flows, rising debt. All that adds risk to the picture."

The Magnificent Seven index, which tracks Alphabet, Microsoft, Meta, Apple, Amazon, Nvidia, and Tesla, fell 4.8% Thursday—its worst day since the April 2025 tariff announcement. The index is down 3.7% in 2026 after three consecutive years of gains.

Microsoft has dropped 21% this year despite spending more than $190 billion on capital expenditures, according to analyst estimates. Meta shares have declined 9.8%, while Amazon remains essentially flat for 2026.

Chipmakers feel the volatility

The uncertainty has cascaded to semiconductor companies that supply AI infrastructure. The Philadelphia Stock Exchange Semiconductor Index gained 101% through June but has lost 17% in July, on track for its worst month since June 2022. The index has experienced 17 moves of 5% or more this year—matching the most since 2008.

Apple's contrarian approach pays off

Apple has emerged as the exception by avoiding large AI capital outlays and instead partnering with model developers. The strategy has driven shares up 15% in July and 23% for 2026, making Apple the biggest contributor to the S&P 500's 8.3% gain this year.

However, Apple faces its own challenges as soaring memory chip prices have forced the company to raise prices on MacBooks and iPads, potentially impacting profit margins and customer demand.

Valuation questions mount

The selloff has made some Big Tech stocks appear relatively cheap by historical measures. Microsoft trades at 19 times estimated earnings versus a 10-year average of 27, while Meta is priced around 14 times compared to its decade average of 20.

But Brad Warden, senior portfolio manager at Nomura Asset Management, told Fortune that historical valuations may be less relevant as AI spending reshapes business models. "They look cheap right now, but when you look forward at potential disruption, they are guilty until proven innocent," Warden said.

These details were first reported by Fortune.