Benzinga's Top #PreMarket Gainers

Rigel Pharmaceuticals, Inc. RIGL shares surged 16.08% to $2.96 in pre-market trading after dropping 4.49% on Friday. Ballard Power Systems Inc.BLDP shares gained 15.64% to $2.81 in the pre-market trading session after the company reported the signing of two new technology solutions contracts. Ocwen Financial Corp. OCN shares climbed 9.48% to $10.51 in pre-market trading after the company announced its plans to sell a $9.8 billion portfolio of mortgage servicing rights to Nationstar Mortgage Holdings Inc. NSM. Tower Semiconductor Ltd. TSEM shares rose 8.32% to $14.84 in pre-market trading after the company reported stronger-than-expected earnings for the fourth quarter. Home Loan Servicing Solutions, Ltd. HLSS gained 8.18% to $18.11 in pre-market trading after New Residential Investment Corp. NRZ announced its plans to acquire HLSS for $18.25 per share in cash