Morning Market Gainers

Forbes Energy Services Ltd. FES shares gained 77.61 percent to $2.38. Forbes Energy reported a Q1 loss of $0.21 per share. Vascular Biogenics Ltd VBLT shares rose 59.19 percent to $6.49. VBL Therapeutics reported that it will present Phase 1/2 data for VB-111 in recurrent platinum-resistant mullerian cancer at the ASCO. AcelRx Pharmaceuticals Inc ACRX shares jumped 17.94 percent to $3.55 after the company reported that it has been awarded a contract worth up to $17.0 million from the Department of Defense to advance ARX-04. Paragon Offshore PLC PGN shares surged 14.29 percent to $2.00 on better-than-expected quarterly earnings. Perry Ellis International, Inc. PERY shares climbed 11.07 percent to $26.69 after the company reported stronger-than-expected results for the first quarter and lifted its earnings forecast for the full year. Ctrip.com International, Ltd. (ADR) CTRP shares rose 14.64 percent to $74.93 after the company reported upbeat Q1 results. Shake Shack Inc SHAK shares surged 10.65 percent to $75.64 after the company reported stronger-than-expected results for the first quarter. Longbow Research upgraded Shake Shack from Underperform to Neutral. Entertainment Gaming Asia Inc EGT shares surged 5.07 percent to $2.40. Entertainment Gaming Asia reported Q1 earnings of $0.04 per share.