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What: Shares of Plexus (Nasdaq: PLXS) have popped today, up by as much as 16% after the company reported first-quarter earnings last night.

So what: Revenue for the quarter came out to $529.7 million, while earnings per share added up to $0.51. Both top and bottom lines bested analyst expectations, which were looking for $527.8 million in sales and a $0.48 per-share profit.

Now what: Second-quarter guidance was just as rosy, with revenue estimated from $550 million to $580 million, with next quarter's profit from $0.51 to $0.58 per share. Both ranges look nice compared to the consensus estimates of $547.6 million and $0.51 per share in profit next quarter. The release is also contributing to the broader tech rally today along with strong earnings from F5, which also reported last night.

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Fool contributor Evan Niu holds no position in any company mentioned. Click here to see his holdings and a short bio. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.