Zynga, Pandora and LinkedIn were just some of the companies that saw big gains on Friday.

NEW YORK (TheStreet) -- Social media stocks rallied late Friday afternoon follows news that Facebook could file for an IPO as early as next week.

Social gaming firm Zynga(:ZNGA) jumped 6.8% to $10.16 as business social network LinkedIn(:LNKD) rose 6.4% to $76.99.

Shares of online radio company Pandora(:P) soared 8.1% to $13.99, while online real estate site Zillow(:Z) climbed 6.6% to $28.33.

Groupon(:GRPN) shares, meanwhile, saw a slightly smaller gain of 3.3% to $20.17

Classifieds site Angie's List(:ANGI) was the only decliner of the group, with shares falling 1% to $15.43.

Facebook's IPO could value the company for as much as $100 billion, according to reports. The offering could be one of the largest IPOs in U.S. history.

--Written by Olivia Oran in New York.

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