Take a look at some of Wednesday's midday movers:
Anadarko Petroleum - The independent energy exploration company jumped on takeover speculation.
Bancorp - The bank fell after BTIG and Sterne Agee downgraded the stock to neutral from buy.
DigitalGlobe - The provider of satellite imagery rose climbed after saying the government had approved its request to sell higher-resolution satellite images.
Eli Lilly - The drug manufacturer edged lower after its recently approved stomach cancer drug failed in a liver cancer trial.
Elizabeth Arden - The cosmetics company rose after dealReporter commented on a possible bid from Korean LG Household.
Exelon - The utility and others including PPL, FirstEnergy and Wisconsin Energy fell as investors took profits.
General Electric - The infrastructure and financial services company fell after Germany's Siemens and Japan's Mitsubishi Heavy Industries said they have joined forces for a possible bid for some assets of France's Alstom, blocking GE's bid.
GlaxoSmithKline - The drug developer and Theravance rose after announcing positive data from two phase III studies.
H&R Block - The tax preparer advanced after posting better-than-expected fourth-quarter results.
Hilton Worldwide Holdings - the hotel chain fell on Blackstone Group's plan to trim its stake by as many as 103.5 million shares.
Lululemon Athletica - The provider of yoga apparel fell after its founder and biggest shareholder criticized the company's board.
Marriott International - The hotel chain fell after Macquarie downgraded the stock to neutral from outperform.
Marvell Technology Group - The circuit maker rose after Nomura upgraded the stock to buy from neutral.
United Continental Holdings - The carrier and others including Delta Air Lines, American Airlines Group, Alaska Air Group and JetBlue Airways declined, pressured by German airliner Lufthansa's profit warning.
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—By CNBC's Rich Fisherman.
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