Midday movers: Citigroup, Newmont Mining & More

Trader on the floor of the New York Stock Exchange.
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Trader on the floor of the New York Stock Exchange.

Take a look at some of Monday's midday movers:

Citigroup - The bank rose after posting adjusted earnings that beat estimates.

Exelixis - Shares jumped after its experimental skin cancer treatment being developed with Roche yielded positive results.

GT Advanced Technologies - The producer of materials technology declined after a CLSA analyst cut his 2014 revenue estimate for the company.

Harmonic - The provider of video-infrastructure services dropped after lowering its second-quarter guidance.

Manchester United - The English soccer club gained after signing a 10-year, $1.3 billion deal with Adidias.

Newmont Mining - The producer of gold, copper and silver declined along with the price of gold, with futures down more than 2 percent in Monday's session.

Perrigo - The provider of pharmaceuticals and nutritional products rallied after the Israeli financial daily Globes reported the company had hired an investment bank to explore options including a merger.

Riverbed Technology - The maker of network equipment fell after trimming its second-quarter revenue forecast.

Salix Pharmaceuticals - rose after it and Progenics Pharmaceuticals said federal regulators had cleared expanded usage of their constipation drug.

Stratasys - The maker of 3-D printers rose after Home Depot said it would begin selling the company's devices.

United States Steel - The company declined after the World Trade Organization supported some major claims by India against countervailing duties imposed by the U.S. on certain steel products.

United Technologies - The company gained after its Pratt & Whitney division announced a 10-year $1.1 billion agreement with Alcoa.

Wells Fargo - The bank fell after JPMorgan Chase downgraded it to neutral from overweight.

(Read More: See CNBC's Market Insider Blog)

—By CNBC's Rich Fisherman.

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