Higher sales helped push the teen retailer’s third-quarter net income up 41 percent. It also raised its full-year earnings guidance.

Medifast Inc., down $1.42 at $28.17

The weight-loss company said that Brendan Connors, its chief financial officer, is resigning immediately to pursue other interests.

LDK Solar Co. Ltd., down 9 cents at 98 cents

The solar company is ending a solar wafer agreement with an unnamed European customer that was scheduled to last for 10 years.

The Mosaic Co., down $1.65 at $49.10

The phosphate and potash seller cut its second-quarter production guidance due to weak international demand for its crop nutrients.

Iamgold Corp., down $2.89 at $11.97

The gold mining company reported results for the third quarter that missed Wall Street analysts’ expectations.

Nasdaq

Cisco Systems Inc., up 81 cents at $17.66

The computer networking gear maker said that its first-quarter earnings rose 18 percent as U.S. companies started spending again.

ZaZa Energy Corp., up 15 cents at $1.96

The exploration company said it will sell its French assets, a day after posting a profit for its third quarter.

Woodward Inc., up $2.46 at $34.53

A KeyBanc analyst kept a “Buy” rating on the energy and aerospace controls maker, a day after it posted strong quarterly results.