Lead StoryNYTimes Technology
California Accuses Amazon of Price Fixing in Legal Filing
California filed a legal complaint against Amazon on April 20, 2026, accusing the company of pressuring brands to fix product prices.
Read full article →ISSUE W17 · APRIL 2026
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A single ranked list of the week's top articles with sharp insights for retail, luxury, and AI intelligence.
This week’s intelligence digest highlights significant shifts in retail and AI sectors, including California’s legal challenge against Amazon for price fixing and major investments by Amazon and Google in AI startup Anthropic. Additionally, the luxury market sees evolving dynamics with falling lab-grown diamond prices and renewed consumer interest driven by World Diamond Day.
02Professional Jeweller
Wholesale lab-grown diamond prices down 14%
—The Q1 2026 Lab-Grown Diamond Wholesale Price List reveals a 14% decline in lab-grown diamond prices, signaling a moderation in market volatility.
—The 3-carat round diamonds experienced the steepest price drop, falling 28% year-over-year, an improvement from the over 40% decline in Q1 2025.
03NYTimes Technology
Amazon Plans to Invest Up to $25 Billion in Anthropic
—Amazon has announced plans to invest up to $25 billion in the AI startup Anthropic to advance artificial intelligence technologies.
—Anthropic has committed to spending $100 billion on Amazon technologies to support the development and deployment of AI systems.
04Business of Fashion - News
How COS Orchestrates a Global Elevated Store Experience
—The brand emphasizes a localized approach to portfolio management to tailor the store experience to different markets worldwide.
—Based in London, COS is executing this strategy across multiple regions to elevate its retail footprint over the coming years.
05Modern Retail
Marketplace Briefing: Amazon’s seller count falls as revenue concentrates among top sellers
—Amazon's active seller count on its marketplace declined from 584,000 in January 2025 to 500,000 by March 2026 amid rising fees and operational costs.
—Marketplace Pulse reported that fewer than 8,000 sellers now generate roughly half of Amazon's U.S. third-party gross merchandise volume, down from about 15,000 sellers a few years ago.