Alphabet hits $4 trillion market value amid AI momentum

Alphabet briefly reached a $4 trillion market capitalization after shares rose on reports that Apple will use Google's Gemini to power new iPhone AI features; it is the fourth company to reach that level.

Alphabet's stock reached record highs Monday as shares rose on reports of a tie-up with Apple. CNBC reported that Apple chose Google's Gemini to help power future Apple Intelligence features and a more personalized Siri. The stock traded as high as $332 per share during the session and briefly pushed the company's market value to about $4 trillion. This marked the first time Alphabet's valuation exceeded Apple's in roughly seven years. Key details: - Alphabet briefly reached an approximate $4 trillion market capitalization during Monday trading. - The rise followed reports that Apple will use Google's Gemini models for future Apple Intelligence features. - Shares traded as high as $332 per share and rose as much as 2% before trimming gains. - Alphabet's stock gained about 65% in 2025 and was up roughly 3% year-to-date. - Alphabet is the fourth company to reach a $4 trillion valuation, joining Nvidia, Microsoft and Apple; Apple's market cap was reported around $3.8 trillion on Monday. Summary: The milestone highlights continued investor attention on AI-related developments among the largest technology firms. Apple and Google said Gemini-based models will support future Apple Intelligence features; further developments and market reactions are undetermined at this time.