Friday's midday movers: Dillard's, Deere & more

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

The major stock indexes pared their gains, hitting session lows, on reports Ukraine troops destroyed part of a Russian military convoy entering the country. Oil prices rose and gold came off its lows and the 10-year yield dropped to 2.33 percent, its lowest level in 14 months. European markets moved lower as well.

Airline stocks, including United Continental, Delta and American fell as oil prices rose.

Dillard's fell after the department store reported weaker than expected second quarter earnings.

Deere moved lower on news that the equipment maker plans to lay off more than 600 workers at four U.S. plants.

SeaWorld gained ground after the company said it will build new, larger environments for its killer whales at its theme parks.

Achillion Pharmaceuticals rose on positive results from the drug company's midstage hepatitis C trial.

Gilead Sciences advanced after an arbitration panel ruled in the firm's favor regarding its hepatitis C drug Sovaldi, rejecting Roche Holding's patent infringement claims. lost ground after China's second biggest e-commerce company reported a bigger quarterly loss on higher costs.

Cliffs Natural Resources dropped after one of the mining company's few incumbent directors stepped down. The company also said it owed millions of dollars to its former CEO and others in the wake of a proxy fight.

—By CNBC's Rich Fisherman