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Twitter is emerging as a growing player in financial circles as tweets can be analyzed for “sentiment signals" and used "to predict short-term changes in broad stock market indices.” 

That's from a New York magazine article titled "Investors Slobber Over Cayman Island Hedge Fund That Predicts Stock Market Based on Twitter."

It's not entirely a new idea. StockTwits already touts its Twitter-based service as "Real Investors. Real Ideas. Real Time."Continue reading...