Doral Financial Corp. (NYSE:DRL), Nanosphere, Inc. (NASDAQ:NSPH) and Atlas Energy LP (NYSE:ATLS) made major gains early in the day this Monday. In the red are DryShips Inc. (NASDAQ:DRYS), Mitek Systems, Inc. (NASDAQ:MITK) and AVEO Pharmaceuticals, Inc. (NASDAQ:AVEO).

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Atlas Energy

Atlas Energy Soars on Buy News

The share price of Doral Financial Corp. (NYSE:DRL) surged +30.62% on the heels of a Puerto Rico court ruling in favor of the company. Should things go Doral’s way, it could be entitled to a $230 million tax refund. A new Q2 buy for billionaire investor George Soros, DRL has gained +27.11% over the past five days.

[drizzle]Nanosphere, Inc. (NASDAQ:NSPH) gained +24.25% today after announcing that it has received 510(k) clearance from the FDA for one of its products. Also a new acquisition for Soros during the second quarter of the year, Nanosphere has gained +53.31% in the last five days. However, it is still down -64.85% year-to-date.

Atlas Energy LP (NYSE:ATLS) surged +19.41% this Monday after news broke that Targa Resources Corp. and Targa Resources Partners LP have agreed to buy it and Atlas Pipeline Partners LP in deals valued at a total of $7.7 billion. With nearly 4.1 million ATLS shares in his portfolio as of Q2 and having had a position in the company since 2011, Leon Cooperman stands to benefit from the deal.

DryShips Plunges

DryShips Inc. (NASDAQ:DRYS) plunged -17.47%, approaching its 52-week low of $1.49. The shipping company announced today the withdrawal of its public senior notes, and Imperial Capital downgrading its rating. Richard Chilton has had a stake in the ocean transportation services provider since Q1 2012, and as of Q2 2014, he holds 2.2 million DRYS shares.

Mobile software company Mitek Systems, Inc. (NASDAQ:MITK) dipped -12.5% today, putting its YTD loss at -66.33%. George Soros bought 16,000 MITK shares during the second quarter of this year.

The share price of AVEO Pharmaceuticals, Inc. (NASDAQ:AVEO) fell -10.73%. In Seth Klarman’s investment portfolio since the fourth quarter of 2010, AVEO is yet another new Q2 buy for George Soros. Its price has declined -52.99% this year.

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