Nektar Therapeutics (NKTR) - Get Report is expected to report a loss of 55 cents a share on sales of $44.8 million after the market closes Feb. 28, based on a FactSet survey of 11 analysts.

In the same period a year ago the company posted a loss of 21 cents a share on sales of $95.5 million. The stock has risen 8.1% since the company last reported earnings on Nov. 7. Quarterly estimates have fallen 1.2 cent a share in the past month. 

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