Morning Market Losers

SMART Technologies IncSMT

shares tumbled 17.16 percent to $1.11. SMART Technologies reported adjusted annual net income of $0.2 million on adjusted revenue of $431.3 million.

El Pollo LoCo Holdings IncLOCO

shares dipped 15.42 percent to $24.58. El Pollo LoCo reported stronger-than-expected results for the first quarter. The company projected 2015 pro forma net income of $0.67 to $0.71 per share.

ZaZa Energy CorporationZAZA

shares fell 13.10 percent to $1.60. Zaza reported a Q1 loss of $0.54 per share.

Goldfield CorpGV

dropped 12.65 percent to $1.45. Goldfield reported Q1 loss of $0.03 per share on revenue of $30.50 million.

hhgregg, Inc. HGG

shares dipped 9.11 percent to $4.79 after the company reported a wider loss for the fiscal fourth quarter.

Paycom Software IncPAYC

shares slipped 8.54 percent to $35.89 after the company priced 8 million shares at $36.25 per share.

Keurig Green Mountain Inc GMCR

shares dropped 8.44 percent to $94.38 following comments from the CEO Kelley on the company's KOLD brewer presentation hinting at 'slow' start to sales of the device.

Xinyuan Real Estate Co., Ltd. (ADR) XIN shares slipped 8.43 percent to $3.04. Xinyuan Real Estate reported Q1 earnings of $0.06 per ADS on revenue of $166.7 million. Auris Medical Holding AG EARS dropped 5.05 percent to $5.72 after the company prices its public offering of 5.28 million shares at $4.75 per share. King Digital Entertainment PLC KING declined 4.74 percent to $14.28. King Digital reported better-than-expected results for the third quarter. The "Candy Crush Saga" maker said the mid-year period will be "seasonally softer" because of foreign currency woes. For the second quarter, King Digital expected gross bookings of $490 million to $520 million. Celladon Corp CLDN shares fell 4.26 percent to $2.25. Celladon reported a Q1 loss of $16.7 million and announced evaluating strategic options.