Stock Market Game

BigCharts - According to the developers, it's the world's most comprehensive and easy-to-use investment research Web site. Its best feature is the interactive stock charts that it draws on the command of users who enter the data they want to see charted. In addition, there are quotes, news, industry analyses and intraday stock screeners.

Also, take a look at:
Yahoo Finance Page,  Prophet Finance - go to the Java Prophet Charts , Lycos Quote,  CNBC - features include stock picks and stocks to watch; CBS Marketwatch

NASD Investors - Go to Tools for assistance.

The Stock Market Game