Articles by Sarah Chen
Substack Expands into Brand Sponsorships, Hires Ex-Roku Executive
Substack hires Dan Robbins as first head of brand sponsorships, with Uber, T-Mobile, Balenciaga, and Yahoo Scout investing millions in creator deals, marking a shift from subscription-only revenue.
Super Micro Shares Stabilize After $3.68B Convertible Offering
Super Micro Computer shares steadied at $30.85 after a $3.68 billion convertible preferred offering. Investors now await fiscal Q4 results to assess AI order conversion and margin strength.
Western Digital Shares Surge on Morgan Stanley Upgrade, AI Storage Demand
Western Digital shares surged 16% after Morgan Stanley lifted its price target to $650, citing strong nearline enterprise storage demand and AI-driven HDD pricing power.
Nvidia's $25B Bond Sale Fuels Share Rally as AI Demand Stays Strong
Nvidia shares jumped 3.5% after a $25 billion bond sale, upsized from $20 billion due to $85 billion investor demand, signaling strong credit confidence ahead of August 26 earnings.
Intellia Therapeutics Surges 23% on Promising Phase 3 Data for CRISPR Therapy
Intellia Therapeutics shares surged 23% to $14.92 after Phase 3 data showed lonvo-z reduced hereditary angioedema attacks by up to 91% versus placebo, with FDA filing as the next catalyst.
Xanadu Quantum Soars on Funding Hopes and Chip Advance
Xanadu Quantum Technologies soared 18% on potential $285M government support and chip progress, but losses and dilution risk persist.
B-21 Raider Accelerates Testing with Dual Pilot Flight
The U.S. Air Force flew a B-21 Raider with both operational and developmental test pilots, merging testing phases to accelerate combat readiness.
BitMine's Ethereum Holdings Surge to 5.62M ETH, Stock Climbs Ahead of Preferred Debut
BitMine Immersion Technologies shares jumped 6.7% to $17.19 after revealing a massive Ethereum treasury of 5.62 million ETH, ahead of its Series A preferred stock listing on the NYSE.
Mizuho Raises D-Wave Quantum Target, Shares Surge Despite Valuation Concerns
Mizuho lifted D-Wave Quantum's price target to $35, boosting shares 14.3%. While bookings and cash are strong, revenue dropped 81% and losses deepened, underscoring valuation risks.
Air Taxi Stocks Surge on Risk-On Wave; Joby Aviation Up 7%
Joby Aviation shares climbed 7% to $9.79 as part of a broad risk-on rally, with no company-specific news. Investors await FAA milestones and Dubai commercial flights.
Air-Taxi Stocks Surge: Archer Aviation Soars 9% on Sector Rally and FAA Certification Hopes
Archer Aviation shares surged 9.35% to $5.56 on heavy volume Monday, part of a broader air-taxi stock rally, as investors look ahead to FAA certification progress and planned U.S. operations in 2026.
UiPath Shares Inch Higher as AI Automation Hopes Face Valuation Scrutiny
UiPath shares edged up 1.75% to $10.74 amid a broader software rally, but the stock remains near its yearly low as Wall Street awaits proof that AI products can accelerate growth.