Google CEO Sundar Pichai gestures to the crowd during Google's annual I/O developers conference in Mountain View, California on May 20, 2025.
Alphabet has joined the $3 trillion club.
Shares of the search giant jumped more than 4% on Monday, pushing the company into territory occupied only by Nvidia , Microsoft and Apple .
The stock got a big lift in early September from an antitrust ruling by a judge, whose penalties came in lighter than shareholders feared. The U.S. Department of Justice wanted Google to be forced to divest its Chrome browser, and last year a district court ruled that the company held an illegal monopoly in search and related advertising.
But Judge Amit Mehta decided against the most severe consequences proposed by the DOJ, which sent shares soaring to a record. After the big rally, President Donald Trump congratulated the company and called it "a very good day."