The document summarizes key points from Live Session #4 of a financial analysis MOOC: - Over 400 people have registered for the course and students will analyze the Boston Medical Instruments business case to complete the course. - Profitability ratios measure profit over capital used and examples are given like Return on Capital Employed and Return on Equity. - The leverage effect is explained as how debt impacts return on equity compared to return on capital employed. Financial statements from 1996-1998 are presented to illustrate these concepts.