WASHINGTON — By now we've all heard that the Pfizer COVID-19 vaccine has an efficacy rate of 95%, Moderna of 94%, and Johnson & Johnson about 66%; what you may not have known is that rate's technical ...

Master calculating cost of equity in Excel using CAPM. Discover step-by-step guidance on market return, risk-free rate, and ...

Learn what active risk is and how to calculate it. Understand the methods to evaluate active risk in portfolios and explore examples of funds outperforming benchmarks.

Every investment involves a possible gain and a possible loss. The risk/reward ratio compares how much you could lose to how much you could gain. Calculating this ratio may help you decide whether a ...

Market participants may observe that world markets have been moving in a synchronized fashion due to technical reasons such as capital flows as well as the increasingly interconnected nature of ...

Making good choices requires skill at calculating likelihoods and risks. If a potentially bad outcome has a very small chance of occurring, then striving to avoid that outcome may not be worth it. If ...

Growing your business isn't just about growing the number of customers but about increasing market share. Dominating the market not only increases sales, it can draw new customers who assume bigger is ...