TEMPE, Ariz. (AP) — TEMPE, Ariz. (AP) — Amkor Technology Inc. (AMKR) on Monday reported first-quarter profit of $83.4 million.

On a per-share basis, the Tempe, Arizona-based company said it had net income of 33 cents.

The results surpassed Wall Street expectations. The average estimate of three analysts surveyed by Zacks Investment Research was for earnings of 23 cents per share.

The chip packaging and test services provider posted revenue of $1.68 billion in the period, which also topped Street forecasts. Three analysts surveyed by Zacks expected $1.65 billion.

For the current quarter ending in June, Amkor Technology said it expects revenue in the range of $1.75 billion to $1.85 billion.

Amkor Technology shares have risen 93% since the beginning of the year. In the final minutes of trading on Monday, shares hit $76.31, more than quadrupling 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 AMKR at https://www.zacks.com/ap/AMKR