SAN DIEGO (AP) _ Quidel Corp. (QDEL) on Tuesday reported a loss of $3.1 million in its second quarter.

On a per-share basis, the San Diego-based company said it had a loss of 8 cents. Earnings, adjusted for one-time gains and costs, came to 36 cents per share.

The results beat Wall Street expectations. The average estimate of three analysts surveyed by Zacks Investment Research was for earnings of 22 cents per share.

The medical diagnostics company posted revenue of $103.2 million in the period, also topping Street forecasts. Three analysts surveyed by Zacks expected $102.2 million.

Quidel shares have increased 65 percent since the beginning of the year. In the final minutes of trading on Tuesday, shares hit $71.69, more than doubling in the last 12 months.

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