Publications Memos Go Back NYSE Amends its Material News Policy and Expands its Authority to Halt Trading 10.02.15 Effective September 28, 2015, the New York Stock Exchange (“NYSE” or “the Exchange”) amended Section 202.06 of its Listed Company Manual (the “Manual”) to: expand the pre-market hours during which NYSE-listed companies must notify the Exchange prior to disseminating “material news”; expand the timeframe and circumstances in which the NYSE has the authority to halt trading in a listed company’s security; provide guidance with respect to the release of material news after the close of trading on the Exchange; and update the methods by which companies should release material news. Related Insights 06.05.26 | Publications U.S. Designation of Brazilian Criminal Organizations as Foreign Terrorist Organizations: Implications for Businesses Active in Brazil 06.05.26 | Publications The Ad Standard: Monthly Update - June 2026 06.05.26 | Publications Fourth Circuit: ERISA § 502(a)(2) Claims in the Context of a Defined Contribution Plan Cannot Be Joined in a Rule 23(b)(1) Mandatory Class Related Services Related Practice Areas Corporate Capital Markets