Big Tech companies like Tesla, Meta, Microsoft, and Alphabet are set to report earnings this week amid growing concerns about their businesses. Tesla shares have fallen 43% year-to-date on weak sales and layoffs, and its earnings on Tuesday will be closely watched. Meta faces questions about costs for its metaverse investments and moderating revenue growth. Alphabet recently restructured teams and fired employees after protests around labor issues and government contracts. Microsoft's relationship with AI startup OpenAI faces fresh scrutiny ahead of its earnings report.