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John Bogle

John "Jack Bogle", founder of The Vanguard Group and index investing, dies at 89 years old.

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 We provide you with all of the essential information you'll need to understand how the options m... 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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John Jack Bogle, Vanguard

John Bogle on Starting World's First Index Fund
calculate stock volatility with average true range

Calculating Volatility with Average True Range

Initial Public Offering (IPO) Explained
Compound Interest Compound interest is interest calculated on the initial principal and also on the accumulated interest of previous periods of a deposit or loan. Read More
Retained Earnings Retained earnings are the cumulative net earnings or profit of a firm after accounting for dividends — some people refer to them as the earnings surplus. Read More
Liquidity Liquidity is the degree to which an asset or security can be quickly bought or sold in the market without affecting the asset's price. Read More
Income Statement An income statement is one of the three major financial statements that reports a company's financial performance over a specific accounting period. Read More
Security A security is a fungible, negotiable financial instrument that represents some type of financial value, usually in the form of a stock, bond, or option. Read More
Short Selling Short selling is the sale of a security that is not owned by the seller or that the seller has borrowed in the hope that the price will go down. Read More
Book Value An asset's book value is equal to its carrying value on the balance sheet, and companies calculate it by netting the asset against its accumulated depreciation. Read More