BOSTON (AP) _ Paratek Pharmaceuticals Inc. (PRTK) on Monday reported a loss of $23.1 million in its second quarter.

The Boston-based company said it had a loss of 53 cents per share.

The results did not meet Wall Street expectations. The average estimate of three analysts surveyed by Zacks Investment Research was for a loss of 14 cents per share.

The pharmaceutical company posted revenue of $9.3 million in the period, which also did not meet Street forecasts. Three analysts surveyed by Zacks expected $34.3 million.

The company's shares closed at $4.58. A year ago, they were trading at $4.26.

This story was generated by Automated Insights (http://automatedinsights.com/ap) using data from Zacks Investment Research. Access a Zacks stock report on PRTK at https://www.zacks.com/ap/PRTK

Automated Insights, source Associated Press News