NEW YORK (TheStreet) -- Shares of LinkedIn Corp.  (LNKD)  are plummeting, sharply down 26.5% to $189 in after-hours trading on Thursday, as the professional networking site issued a weak second quarter and full year outlook.

For the second quarter, the company sees earnings of 28 cents per share on revenue of between $670 million and $675 million. Analysts are expecting earnings of 74 cents per share on revenue of $717.5 million.

For the full year, LinkedIn forecasts earnings of $1.90 per share on revenue of $2.9 billion. The consensus estimate calls for earnings of $3.03 on revenue of $2.97 billion, according to Thomson Reuters.

For the first quarter, the company earned 57 cents per share, higher compared to the consensus estimate of 56 cents per share, according to analysts polled by Thomson Reuters.

Revenue for the period came in at $638 million, versus the $636.04 million analysts were expecting.

In the same quarter of last year, the LinkedIn reported earnings of 38 cents per share on revenue of $473.19 million.

Earlier this month, LinkedIn bought online learning company Lynda.com for about $1.5 billion in cash and stock.

LinkedIn is a professional network on the Internet with about 300 million members in more than 200 countries. The company allows employees to take a day off to volunteer or "explore new ideas."

The company helps manage professional identity, ability to build and engage with professional networks, access to knowledge, insights and opportunities and ubiquitous access. It is based in Mountain View, CA.

Separately, TheStreet Ratings team rates LINKEDIN CORP as a Hold with a ratings score of C. TheStreet Ratings Team has this to say about their recommendation:

"We rate LINKEDIN CORP (LNKD) a HOLD. The primary factors that have impacted our rating are mixed, some indicating strength, some showing weaknesses, with little evidence to justify the expectation of either a positive or negative performance for this stock relative to most other stocks. The company's strengths can be seen in multiple areas, such as its robust revenue growth, solid stock price performance and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and feeble growth in the company's earnings per share."

You can view the full analysis from the report here: LNKD Ratings Report

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