Underperformance usually shows up in the guise of missed deadlines, low-quality work, or a bad attitude. This gets spotted sometimes, but not always, by a leader who then has to make a choice: when ...

As an investment manager, the stock market gives you a report card on a daily basis. Your grades are measured by performance over one-, three-, five- and 10-year time periods for the portfolios you ...

The S&P 500 is up 10% and Apple stock is down 10% over the same period. The numerical symmetry amplifies the answer to the question that had previously worried market observers: Can the broader market ...