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Data Centers News 1 January 2026 - 7 January 2026

Lumentum stock spikes 11% as AI data-center trade rebounds; Feb. 3 earnings loom

Lumentum stock spikes 11% as AI data-center trade rebounds; Feb. 3 earnings loom

Lumentum shares jumped 11.3% to $397.42 in after-hours trading Tuesday, tracking gains in AI data-center stocks. The company will report fiscal Q2 results and hold a conference call on Feb. 3. A new SEC filing said chief accounting officer Matthew Sepe will retire after the 10-Q filing, with Eric Chang named as successor.
7 January 2026
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Johnson Controls (JCI) stock slides after Nvidia’s CES cooling claim spooks data-center bulls

Johnson Controls (JCI) stock slides after Nvidia’s CES cooling claim spooks data-center bulls

Johnson Controls International shares fell 5.5% to $114.79 Tuesday after Nvidia CEO Jensen Huang said new chips could sharply reduce data-center cooling needs. Barclays warned HVAC stocks are exposed, noting data centers make up a significant share of JCI’s sales. Other HVAC names also declined. JCI’s next earnings update is due in early February.
6 January 2026
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Cipher Mining (CIFR) stock slides in U.S. session as miner taps veterans for AI data-center push

Cipher Mining (CIFR) stock slides in U.S. session as miner taps veterans for AI data-center push

Cipher Mining shares fell 3.9% to $17.46 Tuesday after the company announced two senior hires to lead its push into AI data centers and high-performance computing. More than 20 million shares changed hands. Bitcoin dropped 2.3% to $92,259, pressuring listed miners. Marathon Digital and CleanSpark also traded lower.
6 January 2026
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Sandisk stock surges 22% on AI data-center SSD boom — but valuation doubts grow

Sandisk stock surges 22% on AI data-center SSD boom — but valuation doubts grow

Sandisk shares surged 22% to $335 in early U.S. trade Tuesday, driven by forecasts of rising NAND flash prices as AI data center demand outpaces supply. TrendForce expects NAND contract prices to jump up to 38% in the March quarter. Research notes flagged Sandisk’s premium valuation and projected over 45% revenue growth in 2026. Micron shares also rose about 7%.
6 January 2026
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Jabil stock slides on Hanley Energy buy: what the $725 million AI data center deal means for JBL

Jabil stock slides on Hanley Energy buy: what the $725 million AI data center deal means for JBL

Jabil shares dropped 7.3% to $222.90 after the company said it completed its $725 million cash acquisition of Hanley Energy Group. The deal, closed Jan. 2, adds 850 employees and expands Jabil’s data center power capabilities. Investors focused on integration risks and cash outlay, as Jabil’s stock fell while the broader market rose. The company’s annual meeting is set for January 22.
5 January 2026
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Barclays upgrades Vertiv and this data center stock jumps 8% — what traders watch next

Barclays upgrades Vertiv and this data center stock jumps 8% — what traders watch next

Vertiv shares jumped 8.4% Friday after Barclays upgraded the stock to overweight and raised its price target to $200, citing higher 2026 profit forecasts and strong data-center exposure. Barclays now sees 2026 adjusted EPS at $5.68, above consensus. The move outpaced gains in other infrastructure stocks. Focus turns to whether the rally holds into Monday and the next earnings window in February.
4 January 2026
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AAOI stock jumps 14% to start 2026 as Applied Optoelectronics rides AI data-center demand

AAOI stock jumps 14% to start 2026 as Applied Optoelectronics rides AI data-center demand

Applied Optoelectronics surged 13.6% to $39.60 Friday, leading gains among optical hardware stocks as investors rotated into AI-infrastructure trades. The company last month reported its first volume order for 800G data-center transceivers and forecast up to $8 million in Q4 revenue from those shipments. Volume production of a new 400-milliwatt pump laser is expected later in 2026.
4 January 2026
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Data center stocks kick off 2026 with Vertiv jump after Barclays upgrade

Data center stocks kick off 2026 with Vertiv jump after Barclays upgrade

Vertiv Holdings surged 8.4% and Applied Digital jumped 14.6% Friday as data center infrastructure stocks outpaced real estate landlords on the first trading day of 2026. Barclays upgraded Vertiv to Overweight, citing its 2026 outlook. Digital Realty and Iron Mountain edged up, while Equinix slipped. Investors watched for signals on data center demand and upcoming earnings reports.
3 January 2026
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Applied Digital (APLD) stock jumps 15% as AI data-center bet returns ahead of Jan. 7 earnings

Applied Digital (APLD) stock jumps 15% as AI data-center bet returns ahead of Jan. 7 earnings

Applied Digital shares jumped 14.6% to $28.11 Friday, with 36.1 million shares traded. The company is set to report fiscal Q2 results Jan. 7, with analysts expecting a 10-cent loss per share on $82.22 million in revenue. Last month, Applied Digital announced plans to merge its cloud business with Ekso Bionics and launch ChronoScale. U.S. stocks opened 2026 higher, led by gains in chipmakers.
3 January 2026
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Lumentum stock rises 4% as AI data‑center optics rally kicks off 2026

Lumentum stock rises 4% as AI data‑center optics rally kicks off 2026

Lumentum shares climbed 4.3% to $384.31 Friday afternoon, outperforming the broader market as optical and AI hardware stocks rallied. The stock traded between $374.87 and $391.92 during the session. Sector peers Coherent and Ciena also posted gains. Traders are watching for upcoming U.S. jobs and inflation data next week.
2 January 2026
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Super Micro Computer (SMCI) stock ends 2025 lower after SuperBlade liquid-cooling push — what investors watch next

Super Micro Computer (SMCI) stock ends 2025 lower after SuperBlade liquid-cooling push — what investors watch next

NEW YORK, January 1, 2026, 9:01 PM ET — Market closed. Super Micro Computer shares last closed down 1.28% at $29.27 on Wednesday, the final trading day of 2025, with U.S. markets closed Thursday for the New Year’s Day holiday. The stock traded between $29.02 and $29.87 and saw about 24.8 million shares change hands. It has ranged between $25.71 and $66.44 over the past 52 weeks. Supermicro said it added a high-density 6U (six rack-unit) SuperBlade system that can be configured with either air cooling or direct liquid cooling — circulating coolant through plates to draw heat off the
2 January 2026
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Caterpillar stock today: CAT slips into New Year holiday as AI data-center power theme stays in focus

Caterpillar stock today: CAT slips into New Year holiday as AI data-center power theme stays in focus

NEW YORK, January 1, 2026, 16:11 ET — Market closed. Caterpillar (CAT) shares last closed down 0.8% at $572.87 on Dec. 31, and U.S. stock markets were closed Thursday for the New Year’s Day holiday. Caterpillar Inc.+1 The machinery maker is a bellwether — a stock investors use to gauge the broader economy — because its sales tend to rise and fall with construction, mining and energy investment. That role is back in focus as 2026 begins after a volatile year for cyclicals. What matters now is the split in Caterpillar’s drivers. Traditional demand from construction and mining remains sensitive
1 January 2026
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Data center stocks slide into 2026 as xAI expansion keeps Nvidia, Dell, Super Micro in focus

Data center stocks slide into 2026 as xAI expansion keeps Nvidia, Dell, Super Micro in focus

NEW YORK, January 1, 2026, 13:24 ET — Market closed Data center stocks ended 2025 on a softer note, with U.S. markets closed on Thursday for the New Year’s Day holiday and investors heading into 2026 still fixated on who captures the next leg of AI infrastructure spending. Nasdaq The latest focus is on customer buildouts that can move the needle for suppliers of chips, servers and the power-and-cooling gear that keeps new facilities running. That matters as the market tries to separate durable demand from year-end positioning after an AI-driven run. Reuters Elon Musk said on Tuesday his AI
1 January 2026
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Super Micro (SMCI) stock today: New liquid‑cooled SuperBlade launch keeps shares in focus

Super Micro (SMCI) stock today: New liquid‑cooled SuperBlade launch keeps shares in focus

NEW YORK, January 1, 2026, 07:04 ET — Market closed Super Micro Computer, Inc. shares were last down 1.3% at $29.27 in after-hours trading on Wednesday, after the server maker unveiled a new high-density SuperBlade system built around Intel’s latest Xeon processors. U.S. stock markets are closed on Thursday for New Year’s Day. New York Stock Exchange The timing matters because investors are looking for concrete signs that demand for high-performance, power-hungry AI and high-performance computing (HPC) systems will carry into 2026 — and which hardware vendors can ship at scale as customers push for denser, cooler-running data centers. For
1 January 2026
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TeraWulf stock in focus after KBW upgrade, $1.3B Texas data-center debt deal

TeraWulf stock in focus after KBW upgrade, $1.3B Texas data-center debt deal

NEW YORK, January 1, 2026, 04:18 ET — Market closed Shares of Nasdaq-listed TeraWulf Inc rose nearly 3% in the last U.S. session after Keefe, Bruyette & Woods upgraded the company and more than doubled its price target, keeping its pivot beyond bitcoin mining in focus. The stock ended Wednesday at $11.49, after ranging between $11.07 and $11.88 on volume of about 19.4 million shares. The upgrade matters because investors are increasingly trying to value some crypto miners less like pure commodity plays and more like digital infrastructure operators. That can shift the narrative from daily bitcoin price swings to
1 January 2026
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Stock Market Today

Oil stocks jump on Iran risk lift for crude — what to watch before Monday

Oil stocks jump on Iran risk lift for crude — what to watch before Monday

7 February 2026
U.S. oil stocks surged Friday as crude prices rose on renewed Middle East tensions. Exxon Mobil gained 2.0%, ConocoPhillips 2.5%, and Occidental Petroleum 2.7%. Refiners rallied after a national union deal eased strike risk, though BP’s Whiting plant faces a local dispute. Brent settled at $68.05 a barrel, up 0.74%.
Silver price rebound masks fresh stress after CME lifts margins again

Silver price rebound masks fresh stress after CME lifts margins again

7 February 2026
Spot silver surged 8.6% to $77.33 an ounce Friday after dropping below $65, but still lost over 8.7% for the week. CME Group raised margin requirements for COMEX silver futures to 18% from 15%, effective after Feb. 6. China’s UBS SDIC Silver Futures Fund hit its 10% down limit for a fifth session. Traders await key U.S. jobs and inflation data next week.
Gold price near $5,000: China keeps buying as CME margin hikes raise the stakes

Gold price near $5,000: China keeps buying as CME margin hikes raise the stakes

7 February 2026
China’s central bank raised gold reserves for a 15th month in January, reaching 74.19 million ounces worth $369.58 billion. Gold prices swung sharply, hitting a record near $5,600 before dropping to $4,403.24. CME Group hiked COMEX gold futures margins to 9% after recent volatility. U.S. jobs and inflation data are due next week after a delay.
Amazon stock (AMZN) slides on $200 billion AI capex plan — what Wall Street watches next week

Amazon stock (AMZN) slides on $200 billion AI capex plan — what Wall Street watches next week

7 February 2026
Amazon shares fell 5.6% to $210.32 on Friday after the company forecast 2026 capital spending would jump to $200 billion, up more than 50% from 2025. The drop came as the Dow closed above 50,000 for the first time. Amazon reported fourth-quarter net sales up 14% to $213.4 billion and operating income at $25 billion. Trading in Amazon was volatile, with 179 million shares changing hands.
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