StockTwits: social stock microblogging service.

StockTwits is an open, community-powered idea and information service for investments. Users can eavesdrop on traders and investors, or contribute to the conversation and build their reputation as savvy market wizards. The service takes financial related data – using Twitter as the content production platform – and structures it by stock, user, reputation, etc.

Log into the site with your Twitter details and you will be presented with a user interface filled with comments and stats showing the top ticker buzz, the top StockTwit talkers, and the top gainers and losers.