Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Suzanne is a content marketer, writer, and ...

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

ETFs allow investment in diversified portfolios via a single transaction, mimicking index performance. ETFs are more liquid than mutual funds, trading like stocks with fluctuating prices throughout ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Klaus Vedfelt / Getty Images Card-present fraud occurs when ...