In spite of a lofty valuation, LinkedIn (LNKD +12.3%) is surging after posting strong Q4 results...

|By:, SA News Editor

In spite of a lofty valuation, LinkedIn (LNKD +12.3%) is surging after posting strong Q4 results and 2012 guidance, as well as a healthy jump in registered users. Canaccord is impressed with the performance of the Hiring Solutions business, noting it added 1,870 corporate customers. During its earnings call, LinkedIn mentioned the strong uptake seen for its mobile apps, and said it would begin selling mobile ads soon.