Tripadvisor Inc. (NASDAQ:TRIP), Orbitz Worldwide Inc. (NYSE:OWW) and Avalon Rare Metals Inc. (NYSEMKT:AVL) are on the upswing this Thursday. Oceaneering International (NYSE:OII), Towerstream Corporation (NASDAQ:TWER) and Gold Fields Limited (NYSE:GFI), on the other hand, are in the red.

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Tripadvisor

Tripadvisor, Orbitz Surge

Tripadvisor approached market close with a +23.64% gain on the day. Yesterday, it reported $288 million in Q4 revenue, above the expected $285 million, though it missed EPS estimates by $0.02. Company management also said they plan to move towards “more holistic” partner relationships with hotels. As of their most recent public holdings disclosures, both Steve Mandel and Ray Dalio have stakes in Tripadvisor.

[drizzle]Orbitz surged +21.88% on the heels of news that rival Expedia will purchase the company for $12 per share. Larry Robbins’ Glenview Capital picked up two million of the online travel platform’s shares in Q3.

Avalon Rare Metals climbed +15.81% today and is up more than +30% year-to-date. Short interest in the stock is on the decline as well. Billionaire Richard Chilton has had a position in Avalon Rare Metals since the first quarter of 2011.

Oceaneering International Tumbles on Tough Guidance

Oceaneering International dipped -9.11%. It posted record fourth quarter and annual earnings yesterday but also reported somber guidance numbers for what’s ahead. As of the third quarter of last year, Richard Chilton holds 148,000 OII shares, and Ray Dalio 8,000.

Towerstream Corporation tumbled -8.91%, though it’s still up more than +20% for the year. George Soros has had a stake in the wireless communications firm since the second quarter of 2013.

Gold Fields Limited fell -8.23% today, despite beating EPS expectations by a cent. Billionaire John Paulson is a long-time GFI shareholder, and Ray Dalio has had a stake in the firm since Q1 2013.

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