The cost to fund US equity positions is surging unexpectedly, as a combination of the AI-driven stock rally, the massive growth of leveraged ETFs and SpaceX’s $75 billion public listing tests Wall Street’s market plumbing.
Source: [Bloomberg Markets](https://www.bloomberg.com/news/articles/2026-06-14/s-p-500-funding-squeeze-driven-by-ai-rally-spacex-ipo-stretches-banks)