Market regulation · 04/10/2011Updated: 10/17/2026 · 1 min read
NYSE Amex LLC Filing Proposed Rule Change to Revise Methodology for Halting Trading Due to Market Volatility
Summary
NYSE Amex LLC has filed a proposed rule change to amend NYSE Amex Equities Rule 80B, aiming to update the methodology for determining when to halt trading in all stocks due to extraordinary market volatility.