Addicted2shares: Bulletin board discussions about US and UK stocks, shares and indices.
Agoracom: Investor relations site for small cap companies. Features monitored discussion forums for CEO's to communicate with shareholders.
Allstocks.com: Live stock market chat using a java applet.
ASX Ozzystox: Moderated forum for investors in Australian stocks.
Avid Trader: Regular stock recommendations and chat with follow up commentary. Requires registration.
CANSLIM: Discussion board for the CANSLIM stock screening method described by William O'Neil in "How to Make Money In Stocks."
Direct Access Trading Academy: Interpretations of the markets and the stocks that are moving them.
FinanceBB: Forum discussing UK and US stocks. Formated for fast access and easy reading. Free to use but all registrations manually checked to ensure quality of contributers.
IncredibleCharts Chart Forum: Discussion forum with stock market charting and trading strategies.
Market Manipulators: Stock related message boards and research. Registered members can also create their own forums.
Silicon Investor: Stock discussion site.
StockHouse Media Corp.: Portfolio tracking, BullBoards forums, and extensive newsletter aggregation as well as detailed snapshots of all securities traded in North America.
Stocks Discussion Forum (About.com ): Discussion threads for individual stocks, IPOs, the markets, and general investment topics.
Stocktraders-ICQ: Experienced day traders and positional traders communicate during market hours via icq.
Superiorinvestor.net: Community for the discussion of stocks and the stock market.
TalkStox: US and Canadian stock market related discussion forums, message boards and general stock talk.
The Critical Mass Discussion Forums: The Hedgehog's stock boards. Featuring informed discussion of high tech, internet, small cap, and penny stocks.
Traderji.com: Indian stock market forum for traders and investors.