SUNNYVALE, Calif. (AP) — SUNNYVALE, Calif. (AP) — Alpha and Omega Semiconductor Ltd. (AOSL) on Monday reported a fiscal first-quarter loss of $2.5 million, after reporting a profit in the same period a year earlier.

On a per-share basis, the Sunnyvale, California-based company said it had a loss of 9 cents. Earnings, adjusted for amortization costs and stock option expense, came to 21 cents per share.

The chipmaker posted revenue of $181.9 million in the period.

For the current quarter ending in December, Alpha and Omega said it expects revenue in the range of $160 million to $180 million.

Alpha and Omega shares have increased 31% since the beginning of the year. In the final minutes of trading on Monday, shares hit $34.10, a climb of 37% 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 AOSL at https://www.zacks.com/ap/AOSL