Midday movers: Dollar General, DuPont, Nike & More
Crumbs Bake Shop - The cupcake retailer declined after saying the Nasdaq Stock Market on the exchange and intends to suspend trading of its shares on Tuesday.

Aware - The supplier of biometrics software and services jumped after declaring a special cash dividend of $1.75 a share.

Amedisys - The hospice and at-home provider of health care rose after forecasting an unexpected profit for its second quarter.

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

Dollar General - The discount retailer fell after sticking with its lowered full-year profit outlook and saying its CEO would retire at the end of May 2015 or upon a successor's appointment.



DragonWave - The provider of communications equipment rose after CIBC World Markets upgraded its shares to "sector outperform" from "sector underperform."

DuPont - The chemicals supplier fell after for the second quarter and full year.



GoPro - The video-camera maker surged in its second day on the public markets.

Keurig Green Mountain - The specialty coffee company jumped after Argus Research upgraded its shares to "buy" from "hold."

Nike - The outfitter of multiple World Cup teams gained after reporting quarterly results that beat expectations.



VeriSign - The provider of online domain registry services dropped after Wells Fargo downgraded its shares to "market perform" from "outperform."

—By CNBC's Kate Gibson.

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