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LinkedIn Stock Jumps After Goldman Recommendation

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LinkedIn shares rose $5.94 or 6.5% yesterday to $97.78 after a Goldman Sachs analyst downgraded the stock from buy to neutral.  LinkedIn had just dipped below $90 on March 20th on a down day for the market, and many pundits expected a sharp buyback after the dip.  Investors hadn’t expected Analyst Heath Terry to explain that LinkedIn had a “high perceived value” with recruiters and that its Corporate Hiring Solution product had large growth potential.

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Can Twitter Predict the Volume and Price of a Specific Stock?

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In a world where everyone’s opinion is publicly recorded, it should be theoretically possible to determine the most popular concept of the moment — be it a movie, a song, a feeling or even a stock.  Certainly, we don’t have enough information at this point to record everyone’s fleeting thoughts, but Twitter is something that makes a good temporary approximation.  And that’s what led University of California, Riverside professor Vagelis Hristidis to investigate whether Twitter sentiment could help predict the stock market.

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