Morning Market Gainers

Voltari Corporation VLTC shares climbed 192.08% to $2.95 as Carl Icahn disclosed a 52.3% stake in the company. Dyax Corp. DYAX shares surged 53.32% to $25.69 after the company said a Phase Ib trial of its DX-2930 drug met safety goals and demonstrated statistically significant reductions in attack rates of hereditary angiodema, a rare disease. Immune Design Corp. IMDZ shares gained 18.25% to $24.96. Immune Design reported a Q4 loss of $0.78 per share on revenue of $1.8 million and reported positive topline data from three Phase 1 clinical trials of immuno-oncology agents. Jefferies upgraded Immune Design from Hold to Buy. EnerJex Resources, Inc. ENRJ shares rose 18.24% to $1.75. EnerJex Resources reported Q4 net income of $3.7 million on revenue of $2.7 million. Organovo Holdings, Inc. ONVO shares climbed 11.02% to $3.93 after the company presented data on the company's in vitro three-dimensional kidney tissue at the 2015 Experimental Biology conference in Boston, Massachusetts. Esperion Therapeutics, Inc. ESPR shares jumped 7.40% to $99.45. UBS initiated coverage on Esperion Therapeutics with a Buy rating and a $140.00 price target. Oi S.A. OIBR rose 7.14% to $1.65 after the company reported the approval by Telemar Participacoes shareholders of the planned measures for the transaction goals published on February 20. Sarepta Therapeutics, Inc. SRPT shares surged 4.29% to $13.85 as the company named Edward Kaye as Interim CEO.