www.superstarinvestor.com/index.html
This site contains many references to sites with data on technical and fundamental analysis as well as to sites containing corporate earnings information.

www.briefing.com
www.thestreet.com
money.msn.com/investing
www.zacks.com
www.corporateinformation.com
Company analysis, information, and news.

www.investorhome.com/emh.htm
www.wallstreetwindow.com
These sites have articles that discuss efficient market theory.

www.sec.gov
www.quicken.com
www.vickers-stock.com
finance.yahoo.com
These sites provide information on insider trading.

vse.marketwatch.com/Game/Homepage.aspx
library.thinkquest.org/3096/tutorial.htm
Build a virtual portfolio and try out different trading strategies at these sites