Morning Market Gainers

shares jumped 19.38% to $17.80 after the company reported the successful first implants of the Argus II Retinal Prosthesis System at two new centers in Italy.

shares rose 14.90% to $1.85. Institutional Financial Markets reported Q4 earnings of $0.23 per share on revenue of $17.8 million.

shares gained 13.58% to $1.84 on Q4 results. Navidea Biopharmaceuticals reported a Q3 loss of $0.08 per share on revenue of $2.2 million.

shares jumped 11.84% to $21.96. Roth Capital initiated coverage on Celladon with a Buy rating.

shares rose 10.60% to $254.90 after

announced its plans to acquire Pharmacyclics for $261.25 per share in cash and stock.

shares gained 8.71% to $4.37 after the company reported stronger-than-expected results for the fourth quarter.

rose 7.84% to $8.10 after the company reported the acquisition of Novartis' entire RNAi research and development portfolio and associated assets.

jumped 6.49% to $74.17 after the company reported stronger-than-expected earnings for the fourth quarter and issued an upbeat full-year outlook.

shares surged 5.29% to $122.34 after the company announced its plans to acquire Ikaria for $2.3 billion.