Take a look at some of Tuesday's midday movers:
Arm Holdings - The chip designer rose after posting a 9 percent rise in second-quarter profit.
Centene - The health insurer posted gained after reporting a better-than-expected quarterly profit.
Delta Air Lines - The carrier gained after canceling all flights to Israel until further notice.
Domino's Pizza - The fast-food chain advanced after posting better-than-expected second-quarter profit.
Gannett Co - The newspaper and broadcast company moved higher after reporting an increase in second-quarter earnings.
Herbalife - The marketer of nutritional supplements rebounded from Monday's drop as hedge-fund manager Bill Ackman made his case against the company he terms a pyramid scheme.
Ingersoll-Rand - The maker of air conditioners and refrigeration units gained on better-than-expected second-quarter results.
Kimberly-Clark - The maker of tissues and other products fell after reporting second-quarter earnings short of estimates.
Lennar - The home builder and rivals including Beazer Homes USA, D.R. Horton, KB Home and Toll Brothers gained after a report showed existing-home sales rose in June.
Lockheed Martin - The defense contractor rose after reporting a rise in quarterly profit.
McDonald's - the fast-food chain declined after tallying a weaker-than-expected second-quarter profit.
Omnicom Group - The advertising company advanced after reported better-than-expected quarterly results.
Polaris Industries - The maker of recreational vehicles climbed after hiking its full-year outlook,
Sage Therapeutics - The drug developer fell after regulators gave its seizure treatment a fast-track designation.
WellPoint - The health insurer rose as did Cigna, UnitedHealth Group and Aetna climbed after split court rulings on whether financial aid can be provided to people using the federal and state-run marketplaces to buy health insurance under the Affordable Care Act.
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—By CNBC's Rich Fisherman.
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