Nasdaq stocks posting largest percentage decreases
NEW YORK -- A look at the 10 biggest percentage decliners on Nasdaq at 1 p.m.:
Nasdaq OMX Group Inc. fell 10.4 percent to $28.69.
Spherix Inc. fell 9.6 percent to $7.59.
Prudential BanCorp of Pennsylvania fell 8.5 percent to $8.39.
Asure Software fell 7.6 percent to $6.03.
Lifeway Foods Inc. fell 6.5 percent to $13.00.
Ezcorp Inc. fell 6.0 percent to $19.59.
SkyWest Inc. fell 5.9 percent to $15.16.
Groupon Inc. fell 5.9 percent to $5.61.
Digital Generation fell 5.8 percent to $5.84.
Accelerate Diagnost fell 5.8 percent to $6.06.