Investors balked at Alphabet pouring $51.4 billion into capital expenditures, like buying data centers and ramping power capacity, in just three months.

Google shares fell 10% in premarket trade. If the fall holds, it will be the biggest negative stock reaction to earnings since it went public in 2004.

Analysts are fleshing out their concerns today about Alphabet shares, led by the Google parent’s miss in [the search bu

Alphabet stock heads for its worst post-earnings drop as Google's AI search draws users but earns less ad money.

Hello, I am Kuzu Neko, a company employee who studies US stocks. The stock price of Google's parent company, Alphabet, fell about 10% in after-hours trading following its earnings announcement on October 28.

Investors may be missing the forest for the trees.

Alphabet shares are down about 10% in premarket trading after its revenue came in lighter than analysts expected. Such a move would be their biggest percentage drop since the early days of the Covid pandemic.

Wide angle view of sign with logo for Google on facade of office building in San Francisco, California, October 6, 2026. (Photo by Smith Collection/Gado/) This article was written by Doug Nathman, with research by his team at Trefis.

Alphabet stock is heading into a pivotal Oct. 28 earnings report, with investors watching whether massive AI investments can sustain the company’s momentum.

Google stock dropped more than 10% after Alphabet (GOOGL) delivered a $127.58 billion third quarter that fell short of Wall Street’s expectations. Revenue grew 25%, but spending on artificial intelligence left investors worried about cash.