Apple and Microsoft are now both worth more than $4T

Core Insights - Apple and Microsoft have both surpassed a market capitalization of $4 trillion, marking a significant milestone in the tech industry [1][3] - Apple is the third company to reach this milestone, following Nvidia and Microsoft, with its valuation driven by strong sales of the iPhone 17 [2] - Microsoft regained its $4 trillion valuation after a slight drop, attributed to a new agreement with OpenAI, highlighting the importance of AI partnerships in driving growth [1][3] Company Performance - Apple's growth trajectory has been remarkable, achieving $1 trillion in 2018, $2 trillion in 2020, and $3 trillion in 2022, with the latest surge linked to the iPhone 17 launch [2] - Microsoft benefits from the increasing demand for its Azure cloud services, which integrate OpenAI's language models, contributing to its valuation [3] - Alphabet, Google's parent company, is approaching the $4 trillion mark, currently valued at $3.25 trillion, indicating a competitive landscape among tech giants [3]