Sarah Chen

Sarah Chen

Technology & Crypto Editor

Sarah Chen leads technology and cryptocurrency coverage at StockTi. With a background in computer science from MIT and five years in fintech equity research, she brings deep technical fluency to her market analysis. Sarah covers earnings, product launches, and regulatory developments across the tech and digital asset sectors. She is a regular contributor to industry panels on blockchain adoption and AI-driven trading.

Technology, Crypto 2,937 articles

Articles by Sarah Chen

Nebius Secures $4B in Convertible Notes to Fund AI Expansion
Technology

Nebius Secures $4B in Convertible Notes to Fund AI Expansion

Nebius shares gained 4.4% to $121.42 after the AI cloud company priced an upsized $4 billion convertible note sale. Proceeds will fund data center expansion and GPU purchases to support its growing AI infrastructure business.

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IBM Completes $11 Billion Confluent Acquisition, Stock Trading Halted
Technology

IBM Completes $11 Billion Confluent Acquisition, Stock Trading Halted

IBM has finalized its $11 billion acquisition of Confluent Inc., with the data-streaming company's shares ceasing public trading at the agreed $31 per share cash price.

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Tesla Shares Steady Near $400 on Samsung Chip, Battery Plant Developments
Technology

Tesla Shares Steady Near $400 on Samsung Chip, Battery Plant Developments

Tesla shares traded around $398 amid news of Samsung's planned chip production for Tesla starting in late 2027 and a confirmed $4.3 billion battery plant with LG Energy Solution. However, analysts have significantly reduced 2026 delivery growth projections.

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Lumentum Surges on $1.25B AI Revenue Target, Backed by Nvidia
Technology

Lumentum Surges on $1.25B AI Revenue Target, Backed by Nvidia

Lumentum shares soared after projecting a path to $1.25 billion in quarterly revenue from AI data-center demand, buoyed by a $2 billion investment from Nvidia. Rival Coherent also gained, forecasting a $70 billion datacenter market by 2030.

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Nvidia Gains China Approval for H200 Chip as AI Revenue Target Hits $1 Trillion
Technology

Nvidia Gains China Approval for H200 Chip as AI Revenue Target Hits $1 Trillion

Nvidia shares showed little movement despite securing Chinese regulatory approval for its H200 AI processor and significantly increasing its long-term AI revenue projection to over $1 trillion.

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Mastercard's $1.8B BVNK Acquisition Accelerates Corporate Blockchain Adoption
Technology

Mastercard's $1.8B BVNK Acquisition Accelerates Corporate Blockchain Adoption

Mastercard has agreed to purchase BVNK for as much as $1.8 billion, marking a major push into stablecoin and blockchain payment infrastructure. The deal coincides with corporate pilots by Citi and Aon using tokenization for trade finance and insurance payments.

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AT&T Gains on AI Edge Partnership with Cisco and Nvidia
Technology

AT&T Gains on AI Edge Partnership with Cisco and Nvidia

AT&T shares advanced Tuesday following a new AI partnership with Cisco and Nvidia. The collaboration aims to deploy AI at the network edge, leveraging Nvidia's infrastructure.

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IREN's $6B Equity Plan Sparks Dilution Fears, Stock Drops 4.4%
Technology

IREN's $6B Equity Plan Sparks Dilution Fears, Stock Drops 4.4%

IREN Ltd shares declined 4.4% Tuesday as the market reacted to the company's ambitious $6 billion equity offering plan to finance its transition from bitcoin mining to AI cloud infrastructure, sparking dilution worries.

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Rocket Lab Files for $1B Stock Sale, Shares Retreat After Hours
Technology

Rocket Lab Files for $1B Stock Sale, Shares Retreat After Hours

Rocket Lab shares dropped over 5% in extended trading after the company filed to sell up to $1 billion in stock. The space firm reported record 2025 revenue but delayed its Neutron rocket launch to late 2026.

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Archer Aviation Gains Amid Regulatory Progress and Insider Sales
Technology

Archer Aviation Gains Amid Regulatory Progress and Insider Sales

Archer Aviation shares climbed 2.8% to $6.29 Tuesday, overcoming minor insider sales tied to tax obligations. The electric aircraft developer maintains a 2026 target for initial passenger operations following key FAA regulatory milestones.

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TeraWulf Stock Pulls Back After Kentucky Data Center Loan, Construction Start
Technology

TeraWulf Stock Pulls Back After Kentucky Data Center Loan, Construction Start

TeraWulf Inc. shares retreated Tuesday, giving back a portion of Monday's sharp gains after announcing financing and construction approval for a major Kentucky data center project, underscoring its strategic pivot toward AI and high-performance computing.

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XRP Surpasses BNB in Market Cap as Ripple Expands Brazilian Operations
Crypto

XRP Surpasses BNB in Market Cap as Ripple Expands Brazilian Operations

XRP has reclaimed the fourth position among cryptocurrencies by market value, trading around $1.54 after reaching a one-month high. Ripple revealed plans to expand its services in Brazil and secure a local license.

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