8 Super Hot Early Movers: Western Digital Pops 3%, While Pharmasset Surges 85%

Shares of Western Digital (NYSE:WDC) are popping 3% this morning after the company said that an arbitrator in Minnesota ruled against the company in a dispute with Seagate Technology (NASDAQ:STX).  Claims by Seagate Technology were filed against Western Digital and a former Seagate employee.

Don’t Miss: Urban Outfitters Stock Falling Out of Fashion.

Pharmasset Inc. (NASDAQ:VRUS) is ripping 85% higher at the open after agreeing to be acquired for $137 per share by Gilead Sciences Inc. (NASDAQ:GILD).  In a statement, the companies explained the deal was already approved by Pharmasset’s board.

Tyson Foods Inc. (NYSE:TSN) is down 2% after announcing fourth quarter results.  Net income for Tyson Foods Inc. fell to $97 million (26 cents per share), compared to $213 million (57 cents per share) a year earlier. This is a decline of 54.5% from the year earlier quarter.

Investing Insights: Tyson Foods Inc. Earnings Cheat Sheet: Margins Suffer as Costs Rise, Profit Falls.

Transatlantic Holdings Inc. (NYSE:TRH) popped nearly 3% early Monday after the company agreed to be purchased by Alleghany Corp. (NYSE:Y).  The deal is valued at $3.4 billion, or $59.79 per share.

Shares of Toll Brothers Inc. (NYSE:TOL) announced it will pay an undisclosed price to purchase CamWest Development LLC in a bid by the home builder to move to Seattle.  Shares are currently down about 2%.

Don’t Miss: Congress Loves These 50 Stocks.