Alphabet has become one of the world’s most valuable companies after its market capitalisation briefly passed $4 trillion, following confirmation that Apple will integrate Google’s artificial intelligence technology into its products this year. The boost came after Apple said it would introduce the technology underpinning Google’s Gemini chatbot into its ecosystem, including Siri, marking a major strategic endorsement of Alphabet’s AI capabilities. Alphabet’s class A shares rose 1.7 per cent on the announcement, briefly touching...










