Ardelyx (ARDX) reported a Q1 diluted loss Thursday of $0.17 per share, widening from a loss of $0.11 a year earlier.
Analysts polled by FactSet expected a loss of $0.11.
Revenue for the quarter ended March 31 was $74.1 million, up from $46 million a year earlier.
Analysts surveyed by FactSet expected $78.2 million.
Meanwhile, Raymond James downgraded the stock to outperform from strong buy and slashed its price target by $2 to $11.
Ardelyx shares were down 24% in recent Friday trading.
Price: 4.16, Change: -1.31, Percent Change: -24.02