View post: Walmart's bestselling Lenovo tablet is on sale for just $106, but not for long Correlation measures the relationship of two stocks based on their returns (percentage gains or losses), not ...

Rate of return represents the percentage net gain or loss of an investment's initial cost over a period of time. The rate of return calculates the percentage change from the beginning to the end of a ...

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 ...

Perpetual bonds have no maturity date, allowing them to pay interest indefinitely, making them appealing for long-term income ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A finance charge includes interest rates, origination fees, service fees, and late fees.