NEW YORK (TheStreet) -- "People seem to have forgotten about LinkedIn (LNKD) ," TheStreet's Jim Cramer, co-manager of the Action Alerts PLUS portfolio, said Tuesday. 

However, on CNBC's "Stop Trading" segment, he said that Goldman Sachs is among those that haven't forgotten about the stock, with analysts upgrading shares to strong buy, from buy, and assigning a price target of $283. 

LinkedIn has a "really terrific operating system," and if it delivers solid earnings results on Feb. 15, it could a give a much-needed boost to the struggling social-media sector, Cramer said. 

Analysts tend not to stick their necks out ahead of earnings unless they have "very high confidence, but I like this call," he said.

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Shares of Facebook (FB) - Get Facebook, Inc. Class A Report and Twitter (TWTR) - Get Twitter, Inc. Report have traded with surprisingly low volatility over the past few months.

Twitter reports earnings later this week, an event that could move shares out of their recent trading range between $36 and $40, Cramer said. 

-- Written by Bret Kenwell

Follow @BretKenwell

At the time of publication, Cramer's Action Alerts PLUS had no position in the companies mentioned.