Investopedia's Top Financial Terms of 2018

Our top terms of 2018 tell the tale of a year of volatility, trade tensions, erratic CEOs and terrifying charts.

Essentials

Stock Market Basics Want to know how the stock market really works? This guide will teach you the basics. More
Best Brokers Our annual review of the best online brokers for investors of all levels. More
Options Trading Tutorial Don’t let options intimidate you. We’ll walk you through how to trade them. More
Investing for Beginners If you’re looking to start investing for the first time, this video series is for you. More
Average Retirement Savings by Age Where you stack up against the average, and where the experts think you should be. More
Economics and Economic Theory Learn the essentials of economics, the history of the field and its modern applications. More

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ROI Definition

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Initial Public Offering (IPO) Explained
Profit Margin Profit margin is a profitability ratio calculated as net income divided by revenue, or net profits divided by sales. Read More
Portfolio Manager A portfolio manager is responsible for investing a fund's assets, implementing its investment strategy and managing the day-to-day portfolio trading. Read More
Derivative A derivative is a security with a price that is dependent upon or derived from one or more underlying assets. Read More
Sensitivity Analysis Sensitivity analysis is a technique used to determine how different values of an independent variable will affect a particular dependent variable under a given set of assumptions. Read More
Equity Equity is the value of an asset less the value of all liabilities on that asset. Read More
Earnings Per Share - EPS Earnings per share (EPS) is the portion of a company's profit allocated to each outstanding share of common stock. Read More
Gross Domestic Product - GDP GDP is the monetary value of all finished goods and services made within a country during a specific period. Read More