As the job market continues to improve, the need to connect with a professional network has also increased. That makes LinkedIn (LNKD) our Chart of the Day. Shares of LinkedIn hit a 52-week high back in September of 2013 at around $257 a share. Since then, they've moved lower. Shares are down 17.5% since January. After the close on Thursday, LinkedIn reported Q2 results of 51 cents a share, that's 12 cents a share better than Wall Street estimates. Revenue came in at $511 million. Shares of LinkedIn climbed more than 7% in early Friday trading. TheStreet's Ruben Ramirez reports from New York.

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