Afternoon Market Gainers
Bluebird Bio (NASDAQ: BLUE) traded up 49.55 percent to $25.41. Wednesday's IPO for the company was initially priced at $17.
Nektar Therapeutics (NASDAQ: NKTR) rose 9.99 percent to $10.79 after announcing positive top-line results from a human abuse liability (HAL) study for NKTR-181.
Gevo (NASDAQ: GEVO) climbed 9.23 percent to $2.26 after yesterday's announcement that it had resumed commercial production of Isobutanol.
Keryx BioPharma (NASDAQ: KERX) shot up 6.50 percent to $8.16 after analysts at JP Morgan initiated coverage on the stock with an Overweight rating.
MannKind (NASDAQ: MNKD) regained 6.48 percent to $7.03 after yesterday's double-digit drop.
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