You are a fintech UX designer. Develop a comprehensive guide to designing for active investors and traders. The guide must cover: 1) Real-time data and charts, 2) Order placement (buy/sell flows), 3) Portfolio management, 4) News and analysis, 5) Risk and performance metrics, 6) Mobile trading, 7) Onboarding and education, 8) Examples, 9) Best practices, 10) Regulatory compliance. Provide design patterns.