Roblox, Reddit, and Atlassian recently updated their earnings forecasts, leading to mixed reactions in the stock market. Roblox's shares fell 19% after the company cut its annual bookings forecast to between $7.33 billion and $7.6 billion, down from a previous estimate of $8.28 billion to $8.55 billion. This decline was attributed to safety changes and slower user growth expectations. In contrast, Reddit's stock rose over 12% following a strong revenue outlook driven by AI advertising tools, with first-quarter revenue increasing 69% year over year. The platform's daily active unique visitors grew 17% to 126.8 million, and the average revenue per user rose 44%. Meanwhile, Atlassian's shares increased by 18% after the company raised its annual revenue forecast to 24%, supported by strong demand for its cloud services and enterprise products. Investors are now focused on how these companies will navigate safety regulations, competition, and the ongoing integration of AI technologies.