markets
How the S&P 500 Is Weighted and Why the Biggest Stocks Matter So Much
How S&P 500 weighting works, including float-adjusted market capitalisation, constituent weights and why mega-cap stocks have outsized influence.
Author
Maya Chen
Markets & Business Correspondent, Global Markets Review
Maya Chen is a markets and business correspondent at Global Markets Review, writing across indices, companies, investment themes and market structure.
Her generalist remit is used for research and explainer pieces that sit between the publication's dedicated macro, technology and single-stock beats.
Maya Chen holds no positions in individual securities covered by Global Markets Review.
Articles by Maya Chen
analyst ratings
How Stock Price Targets Work and Why They Change
How analyst stock price targets are calculated, why they change and why investors should focus on the assumptions rather than the headline number.
markets
What Are the S&P 500 Dividend Aristocrats?
The S&P 500 Dividend Aristocrats require at least 25 consecutive years of dividend increases and use equal weighting rather than market-cap weighting.
analyst ratings
Stock Upgrades and Downgrades: Which Changes Actually Matter?
How to interpret analyst upgrades and downgrades, including estimate revisions, price-target changes and the difference between real thesis changes and routine model updates.