The American Association of Individual Investors provides an overview of investment basics to help you get started.
A web-based encyclopedia about investment.
The Alliance for Investor Education seeks to help investors increase their knowledge and understanding of investing and financial markets.
The New York Stock Exchange provides a financial education website to help investors understand their personal finances, and make better investment decisions.
Newspapers:
Financial Times
Investor's Business Daily
Wall Street Journal
Magazines:
Barron's
Business Week
Forbes
Fortune
Kiplinger's Personal Finance
Money
SmartMoney
Useful search terms!
Bonds
Commodity exchanges
Investments
Hedge Funds
Stocks