Aegerion Pharmaceuticals Inc. (NASDAQ:AEGR), Orbitz Worldwide and IAMGOLD Corp. (NYSE:IAG) made major gains this Tuesday. Posting noteworthy losses are Altisource Portfolio Solutions (NASDAQ:ASPS), Kite Pharma Inc. (NASDAQ:KITE) and CHC Group Ltd. (NYSE:HELI).

Orbitz

Orbitz Surges on Sale Reports

Aegerion Pharmaceuticals surged +9.82% today, ending the day priced at $25.04. The biotech stock is a new third quarter acquisition for billionaire investor George Soros. Its price has declined -21.55% over the past three months.

Orbitz Worldwide rallied +8.62% thanks to reports the online travel agency is exploring a sale. Larry Robbins’ Glenview Capital picked up two million OWW shares in Q3 of last year and has likely made a gain on the position, given the stock has climbed +25.47% in the past three months.

[drizzle]IAMGOLD Corp. ended the day up +8.14% on the heels of news yesterday that it has secured regulatory approvals to sell its Niobec mine. The mining company has had a strong run in recent weeks, its price climbing +28.19% over the past month – to the benefit of billionaire shareholders John Paulson and Ray Dalio.

Altisource Portfolio Solutions Tumbles on Analyst Downgrades

Altisource Portfolio Solutions tumbled -23.14% after Compass Point lowered its target price from $43.00 to $20.00 and Sterne Agee downgraded its rating of the stock from buy to neutral and reduced its target price to $18.00. The mortgage company, a Leon Cooperman pick, has plunged -55.28% over the past month.

Kite Pharma lost -10.28% today, ending the day priced at $74.16. It is still far from its 52-week low of $21.00 and has, in fact, gained more than +150% in the last year. George Soros picked up a stake in the firm in Q3 2014.

CHC Group hit market close down -9.87% for the day, putting its five-day loss at -24.72%. Farallon Capital has a 1.8-million-share stake in the helicopter operator.

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