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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

Super Micro Computer shares closed down 1.28% at $29.27 on Wednesday, the last trading day of 2025. The company introduced a new 6U SuperBlade system using Intel Xeon 6900-series chips and liquid cooling. Supermicro projected fiscal Q2 net sales of $10–11 billion and fiscal 2026 sales of at least $36 billion. Its last quarterly report missed estimates after a major customer delayed deliveries.
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

Caterpillar shares closed down 0.8% at $572.87 in the final session of 2025, as U.S. markets shut for New Year’s Day. Investors are watching demand for Caterpillar’s power equipment tied to AI data centers, which drove a 17% jump in Energy & Transportation sales last quarter. The company is expanding engine production with a $725 million investment in Indiana. Next quarterly dividend is $1.51 per share, ex-dividend Jan. 20.
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

U.S. markets were closed Thursday for New Year’s Day after data center-linked stocks ended 2025 lower. Nvidia slipped 0.5%, Dell fell 1.6%, and Super Micro Computer lost 1.3% in the last session. Elon Musk’s xAI bought a third building for data center expansion, aiming for nearly 2 gigawatts of compute power. Traders await Friday’s reopening and early U.S. factory data next week.
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

Super Micro shares fell 1.3% to $29.27 in after-hours trading Wednesday after the company announced a new high-density SuperBlade server built on Intel Xeon 6900 chips. U.S. stock markets remain closed Thursday for New Year’s Day. The new system offers air or liquid cooling for AI and HPC workloads. Investors are watching for Super Micro’s next earnings after a $1.5 billion revenue shift last quarter.
1 January 2026
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Stock Market Today

Real estate stocks rise as rate-cut bets return; XLRE ends at $41.99 ahead of payrolls and CPI

Real estate stocks rise as rate-cut bets return; XLRE ends at $41.99 ahead of payrolls and CPI

7 February 2026
U.S. real estate stocks rose Friday, with XLRE up 1.8% to $41.99 and VNQ and IYR each gaining 1.6%. The Dow closed above 50,000 for the first time as the 10-year Treasury yield ended at 4.206%. Bank of America downgraded Public Storage and Extra Space Storage, citing weak housing turnover and high borrowing costs. The delayed January jobs report is set for Feb. 11, with CPI due Feb. 13.
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