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Welcome to the big leagues, Groupon. Shareholders punished the stock in after-hours trading Wednesday after the daily deals site posted a surprise loss for its first quarter as a public company.

Groupon reported a net fourth-quarter loss of $42.7 million, or 8 cents a share, on sales of $506.5 million.

Linkedin Corporation (NYSE:LNKD) witnessed volume of 4.36 million shares during last trade however it holds an average trading capacity of 1.49 million shares. LNKD last trade opened at $64.90 reached intraday low of $56.45 and went -4.88% down to close at $60.00.

GAMCO Investors, Inc. (NYSE:GBL) recently declared a quarterly dividend of $0.04 per share on its Class A Shares and Class B Shares, payable on September 27, 2011 to shareholders of record on September 13, 2011. In addition, the Board of Directors authorized the repurchase of up to $20 million of its Zero Coupon Subordinated Debentures due December 31, 2015.