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Why Western Digital Stock Surged Today

By Timothy Green - Updated Apr 14, 2019 at 7:35PM

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The market liked a rival's report despite terrible guidance.

What happened

Shares of Western Digital ( WDC 1.00% ) jumped on Thursday following an earnings report from fellow memory-chip manufacturer Micron Technology ( MU -1.52% ) that was interpreted as a positive for the industry. While Micron provided terrible third-quarter guidance, management continued to predict a recovery in the second half of the year. Shares of Western Digital were up about 9.8% at market close, while Micron stock was up about 9.7%.

So what

On top of selling hard drives and solid-state drives, Western Digital manufactures NAND memory chips. Those chips are in a state of oversupply, which is driving down prices.

A rising chart.

Image source: Getty Images.

Micron managed to grow its NAND bit shipments during the fiscal second quarter versus the first quarter, but prices plunged. Bit volume was up a high single-digit percentage, and average selling price was down around 25%. That led to an overall decline in NAND revenue.

Micron's third-quarter guidance suggests the pain isn't over. The company expects total revenue to plunge nearly 40% year over year, and it expects non-GAAP earnings per share to tumble nearly 75%. But management sounded optimistic about the second half of the year. The company sees a resumption of growth in the data center market as excess customer inventory is exhausted, and it expects overall NAND demand to improve in the second half.

Micron's forecast was enough to push up shares of Western Digital.

Check out the latest earnings call transcripts for Western Digital and Micron Technology.

Now what

While Micron's management talked about a second-half recovery, investors may not want to take that outlook as gospel. Micron has been wrong about the severity of this downturn so far, so take management's assurance with a grain of salt.

Management also hedged its language a bit during the earnings call. Micron CFO Dave Zinsner said: "Our visibility remains low, and the near-term environment remains challenging." CEO Sanjay Mehrotra said Micron's outlook depends on the macroeconomic climate not getting any worse. In other words, a second-half recovery is still far from a sure thing.

A bit of optimism against the backdrop of a tough memory-chip market drove Western Digital stock higher today. It won't last if a second-half rebound doesn't materialize.  

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis – even one of our own – helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.

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Stocks Mentioned

Micron Technology, Inc. Stock Quote
Micron Technology, Inc.
MU
$81.62 (-1.52%) $-1.26
Western Digital Corporation Stock Quote
Western Digital Corporation
WDC
$57.52 (1.00%) $0.57

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