Morning Market Losers

Willbros Group Inc. WG shares tumbled 67.70% to $1.77. Willbros Group announced that it is filing a form 12b-25 notification of late filing with the SEC with regard to its annual report on form 10-K. DA Davidson downgraded Willbros Group from Neutral to Underperform and lowered the price target from $6.50 to $3.00. Nektar Therapeutics NKTR shares dipped 13.02% to $12.29 after the company said its breast cancer treatment failed to produce significant results for the primary end point in a Phase III trial. Columbia Laboratories Inc. CBRX shares fell 12.07% to $6.6999. Columbia Labs reported a Q4 loss of $0.05 per share. RSP Permian Inc RSPP shares dropped 7.65% to $25.00 after the company announced the pricing of public offering of 5 million shares by the company and 4 million shares by certain selling stockholders. Energy XXI Ltd. EXXI shares slipped 6.27% to $3.0650. Crude oil futures fell 2.88% to trade at $42.21 a barrel. Astro-Med, Inc. ALOT shares fell 6.17% to $13.23. Astro-Med reported a Q4 profit of $543,000. Adobe Systems Incorporated ADBE shares slipped 5.75% to $75.08. Adobe reported better-than-expected results for the fiscal first quarter. Navigator Holdings Ltd. NVGS shares declined 4.12% to $17.92 after the company reported downbeat Q4 earnings.