Afternoon Market Losers

Dynavax Technologies Corporation DVAX plunged 40.08 percent to $1.48 on a negative report from the US Food and Drug Administration meeting regarding Heplisav.

Titan International TWI dropped 12.65 percent to $18.09 on low valuation from Jefferies and William Blair.

Uni-Pixel UNXL tumbled 13.07 percent to $15.72 after a federal class action lawsuit was filed against the company.

Geospace Technology GEOS tumbled 8.63 percent to $74.35 after the company violated the shareholder approval requirements of Listing Rule 5635(c).

Amira Nature Foods ANFI dropped 9.19 percent to $8.31 on lower fiscal 2013 sales estimate.

AEP Industries AEPI down 12.46 percent to $72.53 on Q2 results and lowered FY outlook.

Progenics Pharmaceuticals PGNX dipped 7.59 percent to $3.65.