# Algorithmic Selling Deepened a Sharp U.S. Stock Market Decline By Enna Lee Canonical URL: https://www.tokenpost.com/news/investing/50945 Published: 2026-11-07T16:46:12.000Z Updated: 2026-11-07T16:46:12.000Z Section: Investing > CTA funds added to the pressure as buyers remained scarce at the open. Retail selling during Thursday’s first half-hour neared a late July 2024 peak. Algorithmic and CTA fund selling intensified a sharp U.S. stock decline while buyers remained scarce at the open, adding pressure during the market’s steepest early moves. Opening liquidity had liquidation-like characteristics. Long-positioned institutions were under pressure as hedge funds rapidly unwound large cloud-computing positions bought during a rebound, with buyers yet to enter the market. Retail investors recorded their largest 30-minute selling burst in months during Thursday’s opening half-hour. The pace neared the peak reached during late July 2024’s retail panic selling. The burst came during the [Thursday stock-market rout](), which cut about $3.7 trillion from U.S. stock-market value. ## Links in this article - [Thursday stock-market rout](https://www.tokenpost.com/news/investing/50228)