www.sec.gov U.S. Securities and Exchange Commission is the governing body of the securities industry in the United States.
www.nasd.com National Association of Securities Dealers. The NASD regulates the securities industry and virtually all U.S. stockbrokers and brokerage firms. Check out your financial advisor.
www.berkshirehathaway.com CEO Warren Buffet is considered the world's most famous investor. The archives of his annual letters to shareholders serve as an excellent investment course.
www.jeremysiegel.com Wharton Business School professor Jeremy Siegel is author of "Stocks for the Long Run."