Apple Inc’s market capitalization reached over $3 trillion on Friday, making it the world’s most valuable company. The stock closed at $193.97 a share, and the market cap stood at $3.05 trillion. Strong sales of iPhones and expectations for the release of the Apple Vision Pro mixed-reality headset have fueled the rally. Citigroup Global Markets sees further upside potential for the stock, citing gross margin expansion and market share gains in China and India.