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 959 articles

Articles by Sarah Chen

Ultra Clean Holdings Soars 10% on Potential AI Chip Tariff Exemptions
Technology

Ultra Clean Holdings Soars 10% on Potential AI Chip Tariff Exemptions

Shares of Ultra Clean Holdings surged nearly 10% Tuesday morning following reports the U.S. may exclude certain AI data-center chips from new tariffs. The stock reached $56.77 before moderating.

UCTT AMAT LRCX ENTG XLK
XRP Tests $1.40 Support Amid Crypto Market Retreat; ETF Inflows and Ripple Event in Focus
Crypto

XRP Tests $1.40 Support Amid Crypto Market Retreat; ETF Inflows and Ripple Event in Focus

XRP declined approximately 2.7% to near $1.40, testing a key technical level as the broader digital asset market faced pressure. Traders are monitoring U.S. spot ETF inflows and an upcoming Ripple community event.

IBIT
Bitcoin Retreats Under $70K Ahead of Key U.S. Economic Data
Crypto

Bitcoin Retreats Under $70K Ahead of Key U.S. Economic Data

Bitcoin fell 1.4% to $68,743, slipping below the $70,000 threshold as traders await U.S. jobs and inflation reports. Spot Bitcoin ETFs recorded $144.9 million in net inflows.

COIN BITF
Apple Shares Decline Amid Regulatory Scrutiny and Economic Concerns
Technology

Apple Shares Decline Amid Regulatory Scrutiny and Economic Concerns

Apple stock fell 1.3% in early trading as UK regulators pressed for App Store changes and weak U.S. retail data weighed on sentiment. The tech giant underperformed peers Microsoft and Nvidia.

AAPL MSFT GOOGL NVDA XLK
Cisco's AI Networking Push Pressures Broadcom Shares
Technology

Cisco's AI Networking Push Pressures Broadcom Shares

Broadcom stock dipped slightly in early trading as Cisco unveiled new data center chips targeting the AI infrastructure market, intensifying competition.

AVGO CSCO NVDA TSM
Nvidia Gains on Tariff Exemption Reports, TSMC Revenue Surge
Technology

Nvidia Gains on Tariff Exemption Reports, TSMC Revenue Surge

Nvidia shares advanced amid reports of potential U.S. tariff exemptions for major AI data-center buyers. Key supplier TSMC posted a 19.8% monthly revenue jump, boosting semiconductor sentiment.

NVDA TSM AMD AVGO AMZN GOOG MSFT
Micron Shares Dip on Concerns Over HBM4 Supply for Nvidia's Next AI Platform
Technology

Micron Shares Dip on Concerns Over HBM4 Supply for Nvidia's Next AI Platform

Micron Technology's stock declined nearly 3% early Tuesday amid reports Samsung and SK hynix may dominate initial HBM4 supply for Nvidia's upcoming AI processors. Investors await clarity from Micron's Feb. 11 conference appearance.

MU NVDA AMD SSNLF
Microsoft Shares Gain 3% Amid Analyst Downgrade Over AI Spending Concerns
Technology

Microsoft Shares Gain 3% Amid Analyst Downgrade Over AI Spending Concerns

Microsoft stock advanced 3.1% to $413.60 in early trading Tuesday, recovering despite a Melius Research downgrade to 'hold' on worries about rising AI capital expenditures pressuring free cash flow.

MSFT XLK
SoFi Expands Crypto Trading to Hong Kong via OSL Partnership Following Analyst Upgrade
Crypto

SoFi Expands Crypto Trading to Hong Kong via OSL Partnership Following Analyst Upgrade

SoFi Technologies partners with OSL Group to launch in-app digital asset trading in Hong Kong, expanding its crypto services. The move follows a Citizens analyst upgrade to 'Market Outperform' with a $30 price target.

SOFI
Amazon Shares Dip on Report of AWS AI Content Marketplace Plans
Technology

Amazon Shares Dip on Report of AWS AI Content Marketplace Plans

Amazon shares declined 0.8% in premarket trading following a report that AWS is developing a marketplace for publishers to license content to artificial intelligence companies.

AMZN
Morgan Stanley Issues Underweight Rating on MARA, Citing Bitcoin Dependency
Crypto

Morgan Stanley Issues Underweight Rating on MARA, Citing Bitcoin Dependency

MARA Holdings shares declined 2.3% in premarket trading after Morgan Stanley initiated coverage with an underweight rating and an $8 price target, highlighting the miner's continued reliance on bitcoin price movements.

MARA
TeraWulf Shares Retreat Premarket Following Analyst Initiation with Bullish Target
Crypto

TeraWulf Shares Retreat Premarket Following Analyst Initiation with Bullish Target

TeraWulf stock declined 3.5% in premarket trading, giving back some of its prior session's sharp gains, after Morgan Stanley began coverage with an Overweight rating and a $37 price target.

WULF