Morning Market Movers

BioFuel Energy (NASDAQ:

) jumped 38.01% to $7.97 after the company announced its plans to acquire JBGL from Greenlight Capital for $275 million. Synaptics (NASDAQ:

) shares surged 18.76% to $79.00 after the company announced its plans to acquire display-chip company Renesas SP Drivers. The company also lifted its Q4 revenue forecast. ULTA Salon, Cosmetics & Fragrance (NASDAQ:

) rose 12.79% to $96.22 after the company reported stronger-than-expected first-quarter results. Oculus Innovative Sciences (NASDAQ:

) shares surged 10.13% to $3.48. Oculus Innovative Sciences is expected to report its FQ4 financial results on June 12, 2014. Montage Technology Group (NASDAQ:

) shares rose 9.96% to $21.75 after the company agreed to be acquired by Shanghai Pudong Science and Technology Investment Co for US$22.60 per share. BSD Medical (NASDAQ:

) rose 9.35% to $1.17 after the company announced the initiation of clinical study with Micro ThermX. Northwest Biotherapeutics (NASDAQ:

) shares gained 6.82% to $6.12 after the company reported positive outcome of Phase IIIb COMPASS Trial. Rambus (NASDAQ:

) climbed 4.90% to $12.97 after the company raised its Q2 sales forecast. Qualcomm (NASDAQ:

) will be integrating the CryptoManager Security Engine into its chips, according to Rambus. Prospect Capital (NASDAQ:

) shares rose 4.23% to $10.24 after the company announced no restatement of historical financial statements. H&R Block (NYSE:

) gained 3.35% to $31.76 after the company reported upbeat fiscal fourth-quarter earnings. H&R Block's quarterly net income rose to $929.1 million, or $3.36 per share, versus a year-ago profit of $688.9 million or $2.51 per share.