Apple Inc. (NASDAQ:AAPL) plans to overhaul its Siri virtual assistant with powerful AI-driven voice command features, enabling control of individual app functions. The update, to be unveiled at WWDC, will use large language models and generative AI. Initially limited to Apple's apps, the feature will expand to handle multiple commands and is expected to be part of iOS 18 next year. Analysts are bullish on Apple's AI prospects, predicting strong stock performance.