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 2,930 articles

Articles by Sarah Chen

Ouster Shares Rally on NVIDIA Lidar Qualification, But Valuation Questions Loom
Technology

Ouster Shares Rally on NVIDIA Lidar Qualification, But Valuation Questions Loom

Ouster shares jumped 6.1% in premarket after its Rev8 lidar sensors qualified for NVIDIA's DRIVE Hyperion platform, though no purchase order was announced. Q1 revenue hit $49 million with a net loss of $17.5 million.

OUST NVDA
Nvidia's Stock Hovers Near Record as Investors Eye China Policy Shift and Earnings
Technology

Nvidia's Stock Hovers Near Record as Investors Eye China Policy Shift and Earnings

Nvidia shares hover near record highs as CEO Jensen Huang joins Trump's China trip, sparking hopes for renewed H200 AI chip sales. All eyes are on the May 20 earnings report.

NVDA AMD AVGO GOOGL
Penguin Solutions Stock Surges on AI Inference Memory Demand
Technology

Penguin Solutions Stock Surges on AI Inference Memory Demand

Penguin Solutions shares surged nearly 20% after hours to $52.85 after management comments at a Needham conference and a Rosenblatt target hike, highlighting AI inference memory demand.

PENG AMD MU DELL NVDA SMCI
Rackspace Surges 35% on AI Cloud Deal with AMD, Short Squeeze Amplifies Rally
Technology

Rackspace Surges 35% on AI Cloud Deal with AMD, Short Squeeze Amplifies Rally

Rackspace Technology shares surged 35% after announcing an AI cloud deal with AMD, with short covering amplifying the move as trading volume tripled.

RXT AMD PLTR
OpenEvidence Partners with SSO, Pushes AI Deeper into Cancer Surgery
Technology

OpenEvidence Partners with SSO, Pushes AI Deeper into Cancer Surgery

OpenEvidence partners with the Society of Surgical Oncology to integrate clinical content into its AI platform and launch a $100,000 grant for surgeon-led research.

WOLF WK UPST
QuantumScape Surges on $11M Billings, Eagle Line Progress
Technology

QuantumScape Surges on $11M Billings, Eagle Line Progress

QuantumScape shares gained 4.9% Tuesday after reporting $11M in Q1 customer billings and progress at its Eagle Line pilot facility, signaling a step toward commercial solid-state battery production.

QS
GitLab Restructuring and AI Pivot Trigger Share Decline
Technology

GitLab Restructuring and AI Pivot Trigger Share Decline

GitLab Inc. will cut jobs and restructure global operations to invest in AI agents, sending shares down 9.6%. Raymond James downgraded the stock, citing execution risks.

GTLB MSFT
USBC Soars on Tight Float and Tokenized Deposit Buzz
Crypto

USBC Soars on Tight Float and Tokenized Deposit Buzz

USBC shares surged 59% on heavy volume, fueled by tokenized deposit plans and Bitcoin treasury strategy, despite no new corporate announcements.

USBC COIN HOOD MSTR
Apple Shares Hold Ground as Inflation Data Rattles Tech Sector
Technology

Apple Shares Hold Ground as Inflation Data Rattles Tech Sector

Apple shares edged up 0.4% to $293.85 on Tuesday, outperforming other megacap tech stocks as April inflation rose 3.8%, pressuring the broader market.

AAPL MSFT GOOGL NVDA TSLA BA META
Energy Vault and Eskom Partner on Gravity Storage at South African Coal Plant
Technology

Energy Vault and Eskom Partner on Gravity Storage at South African Coal Plant

Energy Vault and Eskom have inked a deal to build a 25-MW gravity storage system at Hendrina Power Station, with potential expansion to 4 GW, targeting 4 GWh across Southern Africa by 2035.

NRGV
Circle Stock Retreats as Revenue Miss Offsets USDC Growth and Arc Hopes
Crypto

Circle Stock Retreats as Revenue Miss Offsets USDC Growth and Arc Hopes

Circle Internet Group (CRCL) shares dropped 5.1% Tuesday, erasing an early pop after Q1 revenue missed forecasts and net income fell, despite strong USDC growth.

CRCL
POET Technologies Stock Rises After Appointing New COO to Lead Manufacturing Scale-Up
Technology

POET Technologies Stock Rises After Appointing New COO to Lead Manufacturing Scale-Up

POET Technologies shares jumped 2.95% to $14.31 after appointing Sandeep Kumar as COO to lead manufacturing scale-up in Malaysia. The stock outperformed a down market as investors focus on production execution.

POET MRVL COHR LITE QQQ SPY