AI infrastructure stocks surge after strong earnings from CoreWeave, Supermicro

AI infrastructure stocks surge after strong earnings from CoreWeave, Supermicro

Ines Ferré · Senior Business Reporter

Wed, August 12, 2026 at 5:23 PM GMT+3 2 min read

What happened: AI infrastructure stocks jumped on Wednesday after blowout results from AI server hardware maker Supermicro (SMCI) and neocloud providers CoreWeave (CRWV) and Nebius Group (NBIS ). AI hosting peers Applied Digital (APLD) and IREN (IREN) moved higher.

Other areas of the AI infrastructure trade also gained, including optical product maker Lumentum (LITE). The memory and storage complex trade also gained with the Roundhill Memory ETF (DRAM).

What's behind the move: Signs of accelerating demand for everything from computing power to AI server racks to liquid cooling technology sent the entire AI infrastructure complex higher as companies within the space posted their results.

Nebius stock surged after the company posted quarterly revenue that topped analyst expectations. Supermicro reported fourth quarter results that beat analyst expectations on earnings. The company's upbeat forecast sent shares higher by more than 6%.

Neocloud and AI hosting players Applied Digital and IREN moved higher after artificial intelligence cloud provider CoreWeave posted quarterly results highlighting accelerating demand and a surging backlog.

And Lumentum (LITE) stock gained after the maker of optical and photonic products for data centers posted fiscal fourth quarter revenue that more than doubled to $1.01 billion. Peers Coherent (COHR) and Ciena (CIEN) both jumped.

The memory and storage complex also rose with the Roundhill Memory ETF (DRAM) up 4%, while highflier Sandisk (SNDK) rose 4%.

Memory maker Micron (MU) jumped 4%, along with rival SK Hynix (SKHY).

(NBIS )

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236.39 +43.16 (+22.34%)

As of 11:10:27 AM EDT. Market Open.

NBIS LITE CRWV

What else you need to know: As companies adopt AI, investors have been backing the "picks and shovels" trade, with companies forecasting strong demand for the infrastructure needed to support the technology.

Fundstrat noted Wednesday that, among S&P 500 (^GSPC) companies that have reported this earnings season, 87% have beaten estimates, with those that "beat" exceeding expectations by a median of 7%.

Ines Ferre is a senior business reporter for Yahoo Finance. Follow her on X at @ines_ferre.

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