Yelp, Twitter, LinkedIn, Pandora and GoPro are big market movers

Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and the Nasdaq Stock Market:


Yelp Inc., down $12.36 to $45.11

The online business reviews company reported better-than-expected quarterly results, but growth in the number of visitors to the site slowed.

Twitter Inc., up $6.75 to $48.01

The social media company reported better-than-expected results by drawing more users and expanding advertising.

LinkedIn Corp., up $25.43 to $263.40

The online professional networking service reported better-than-expected results and a boost in visitors.

Pandora Media Inc., down $3.17 to $15.24

The music streaming service reported worse-than-expected fourth-quarter profit and revenue and a weak 2015 sales outlook.


GoPro Inc., down $7.25 to $47.12

The wearable camera maker set weak first-quarter guidance and announced the surprise departure of its chief operating officer.

Expedia Inc., down $10.13 to $77.87

The online travel company reported a drop in fourth-quarter profit and the results also fell short of Wall Street expectations.

Activision Blizzard Inc., up 28 cents to $22.11

The video game maker reported better-than-expected fourth-quarter profit results, but its revenue fell short of expectations.

Rentrak Corp., down $23.90 to $56.62

The media measurement and research company reported a loss during its fiscal third quarter along with a cautious outlook.