Take a look at some of Thursday's midday movers:
SunPower - moved higher after news that Apple plans to power its main U.S. data center entirely with renewable energy by the end of the year. Apple said it was buying equipment from SunPower and startup Bloom Energy to build two solar array installations near the data center in and around Maiden, North Carolina.
Caterpillar fell on slowing machinery sales. Other machinery stocks Deere ,Manitowac , and Terex also declined.
Gold stocks including Freeport McMoran ,Goldcorp ,Newmont Mining ,Barrick Gold , and Anglogold rose as gold prices rebounded.
Dendreon - Shares of the biotech maker moved lower on worries about an investigation into the company by financial regulators.
Advance Auto Parts slumped after its first quarter earnings fell below street expectations and the company said there was a meaningful slowdown in their sales trends in the month of April.
JPMorgan Chase declined after the bank said its recent trading losses have reached $3 billion, a 50 percent increase from four days ago.
Delta Airlines fell after the airline said it will cut capacity on its trans-Atlantic routes by 5 percent after Labor Day and will cut its overall capacity by as much as 4 percent this year.
Atlas Resource Partners rose after it said it will buy privately-held Titan Operating for about $184 million to boost its assets in Texas’ Barnett Shale.
Gamestop slipped after the video game retailer forecasted second quarter earnings below estimates and revenue fell 12 percent in its first quarter.
Tiffany as trading lower despite raising its dividend by 10 percent to 32 cents a share. The upscale jeweler will report earnings next week.
Media General gained after Warren Buffett’s Berkshire Hathaway agreed to buy the majority of the company’s newspapersfor $142 million in cash. Berkshire will also loan Media General $400 million and provide a $45 million credit line.
Computer Sciences was lower after the company reported a quarterly loss as it ran into problems implementing a massive system for managing digital medical records for Britain’s National Health Service.
Kirby fell after the largest inland tank barge operator in the U.S., said its earnings for the year were likely to come in at the lower end of its outlook.
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