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Massey, Oracle, RIM, Student Loan Corp.: U.S. Equity Movers

Shares of the following companies are having unusual moves in U.S. trading. Stock symbols are in parentheses and prices are as of 9:35 a.m. in New York.

Alkermes Inc. (ALKS US) rose 5.2 percent to $14.96. The company’s alcoholism drug Vivitrol should be cleared as a treatment for opiate addition, outside advisers to the U.S. Food and Drug Administration said.

Arena Pharmaceuticals Inc. (ARNA US) tumbled 40 percent o $2.23. The San Diego-based company failed to win a U.S. panel’s backing to sell lorcaserin, the experimental diet pill that would be the company’s first drug.

Boeing Co. (BA US) rose 1.1 percent to $63.25. The world’s second-biggest commercial-jet builder said it would boost the production rate of 737s to 38 airplanes per month in the second quarter of 2013, up from a planned 35 per month in early 2012.

Massey Energy Co. (MEE US) fell 5.1 percent to $30.69. The coal producer forecast an operating loss for the third quarter and said it expects 2010 operating results at the low end of its projections.

Oracle Corp. (ORCL US) rose 5.3 percent to $26.70. The world’s second-largest software maker reported first-quarter profit that beat analysts’ estimates as sales of database software and Sun Microsystems server computers helped it capitalize on a recovery in information technology spending.

Research In Motion Ltd. (RIMM US) rose 4.8 percent to $48.70. The maker of the BlackBerry smartphone reported second- quarter revenue and profit that beat analysts’ estimates on rising demand for advanced phones that can surf the Web and manage e-mail.

Student Loan Corp. (STU US) surged 42 percent to $29.95. The unit of Citigroup Inc. agreed to be bought by Discover Financial Services (DFS US) for $30 a share.

Texas Instruments Inc. (TXN US) rose 2 percent to $25.48. The second-largest U.S. chipmaker boosted its dividend and said it plans to buy an additional $7.5 billion of its stock.

To contact the reporter on this story: Elizabeth Stanton in New York at estanton@bloomberg.net

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