LAS VEGAS (AP) _ Southwest Gas Corp. (SWX) on Tuesday reported second-quarter profit of $21.6 million.

On a per-share basis, the Las Vegas-based company said it had net income of 44 cents.

The results beat Wall Street expectations. The average estimate of three analysts surveyed by Zacks Investment Research was for earnings of 31 cents per share.

The natural gas company posted revenue of $670.9 million in the period.

Southwest Gas shares have decreased roughly 3 percent since the beginning of the year. In the final minutes of trading on Tuesday, shares hit $78.29, a drop of almost 3 percent 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 SWX at https://www.zacks.com/ap/SWX