A look at the 10 biggest percentage decliners on Nasdaq at 1 p.m.:

Aemetis Inc. fell 21.2 percent to $6.96.

Village Bank and Trust Financial Corp. fell 9.3 percent to $23.22.

Endurance Intl fell 7.1 percent to $13.50.

Aratana Therapeutics Inc. fell 7.0 percent to $10.28.

Liberty Global B fell 6.7 percent to $43.01.

Cara Therapeutics fell 6.5 percent to $10.61.

Lakeland Industries Inc. fell 6.4 percent to $5.52.

OncoMed Pharmaceuticals Inc. fell 6.4 percent to $18.80.

Neovasc Inc. fell 6.0 percent to $6.02.

Resonant Inc. fell 6.0 percent to $7.40.