Apple Inc (NASDAQ:AAPL, ETR:APC) has regained its spot as the world's largest company after its shares rallied this week on the back of its partnership with OpenAI.
Shares in the tech group rallied close to 4% on Wednesday, helped by a rally in the markets and continuing from a strong Tuesday, which saw it close at a record high.
Apple's market capitalisation hit US$3.299 trillion, overtaking Microsoft, which boasts a total market value of US$3.247 trillion.
It was only last week that Apple slumped into third place after it was overtaken by AI chipmaker Nvidia, which now sits with a market cap of US$3.099 trillion.
On Monday, Apple revealed ChatGPT would be integrated into iOS, iPadOS, and macOS later this year as part of a deal with OpenAI.
This will allow Siri to utilise ChatGPT’s capabilities, enhancing features such as text generation and image creation within Apple's Writing Tools.