SURREY, Britain (AP) _ Mallinckrodt PLC (MNK) on Tuesday reported a first-quarter loss of $50.2 million, after reporting a profit in the same period a year earlier.

The Surrey, Britain-based company said it had a loss of 60 cents per share. Earnings, adjusted for one-time gains and costs, came to $1.64 per share.

The results beat Wall Street expectations. The average estimate of seven analysts surveyed by Zacks Investment Research was for earnings of $1.41 per share.

The specialty pharmaceutical company posted revenue of $665.8 million in the period, falling short of Street forecasts. Six analysts surveyed by Zacks expected $680.4 million.

The company's shares closed at $3.30. A year ago, they were trading at $15.70.

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

Automated Insights, source Associated Press News