MarketWatch First Take: The cloud boom is still raining money on optical-networking companies

Applied Optoelectronics Inc. proved Wednesday that the boom in optical-networking products is not slowing down as companies build out corporate and cloud-computing data centers.

On Tuesday, Applied Optoelectronics AAOI, -3.68%said its first-quarter results will easily exceed its previous guidance, thanks to the “continued robust demand” for its data center products. The company did not say much beyond its raised guidance and noted it will report final quarterly results on May 4, but the news fueled a 20% jump in its stock in after-hours trading.

In an investor presentation last month, Applied Optoelectronics executives talked about some of the reasons that were fueling strong demand for its products, comments that gave a window on the current market for fiber-optic components in general.

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