Investors are eagerly anticipating the first-quarter results from mega-cap tech firms, with a particular focus on artificial intelligence. Tesla faces challenges heading into earnings, including declining vehicle sales, controversy over Elon Musk's pay package, and recent layoffs. Google parent Alphabet is expected to see robust YouTube performance and AI monetization improvements. Meta's AI chatbot, Llama 3, has shown impressive performance, and the company's implementation of AI in its ad stack is seen as a significant contributor to growth. Microsoft is gearing up to triple its GPU count in 2024, aiming to stack up 1.8 million AI chips by year-end.