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Midday movers: Apple, Google, KB Home & more

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

American Express - The supplier of credit cards and travel-related services rose after Macquarie upgraded the stock to neutral from underperform.

Apple - The provider of consumer technology hit $100 a share for the first time since its seven-for-one split in June.

Celgene - The biotechnology company rose to a record after saying its drug performed well in a trial for patients with a form of lymphoma.

Scott Mlyn | CNBC

El Pollo Loco Holdings - The operator of quick-service restaurants fell as numerous analysts began coverage with bearish calls.

GameStop - The video-game retailer climbed after it said in a regulatory filing that the prognosis for a full recovery was very good for its CEO after surgery to remove a cancerous brain tumor.

Google - The search engine advanced on the 10th anniversary of going public.

Lennar - The home builder gained along with others including KB Home, PulteGroup, D.R. Horton and Toll Brothers after data showing housing starts and building permits rebounded strongly in July.

McDonald's - The fast-food chain climbed amid plans to sell packaged coffee at supermarkets nationally by early next year in a partnership with Kraft Foods Group.

Perfect World Co. - The Chinese game developer dropped after posting weaker-than-expected second-quarter revenue.

(See CNBC's Market Insider Blog)

—By CNBC's Rich Fisherman.

Questions? Comments? Email us at marketinsider@cnbc.com