The world of microeconomics and business decision-making hinges upon a key concept: marginal cost. In the simplest terms, marginal cost represents the expense incurred to produce an additional unit of ...

To calculate your average trade price, add all purchase prices and divide by the number of trades. Use weighted average trade price calculation if share quantities vary per purchase. Weighted averages ...

Calculating stock growth rates can be challenging and seem intimidating, especially with all the numbers and terminology getting thrown around. Every investor has a preferred way of calculating that ...

A price-weighted average is a simple mathematical average of several stock prices, and is often used to construct a price-weighted index. Perhaps the most well-known stock index in the U.S., the Dow ...

Every thriving business relies on a robust return on investment (ROI) to help gauge whether its investments are yielding a profit. Although you as an individual investor possess shallower pockets than ...