Petrobras Securities Litigation

Published on:
November 28, 2017

Court:

U.S. Supreme Court

(petition for writ of cert.)

Amicus Issue:

Whether the court violated Halliburton II, misapplied the burden of proof, and erred by relieving plaintiffs in the Second Circuit of any burden of showing that there was a price impact of news on the defendant’s stock price. Whether a class may be certified in the absence of proof that an administratively feasible means exists by which the putative class member (and the court and defendants) can determine whether he or she is a member of the class.

Counsel of Record:

Paul, Weiss, Rifkind, Wharton & Garrison LLP

Richard A. Rosen

Charles E. Davidow

Other Amici:

None

Details

Download

More Content

  • Letters
    Oct 22, 2026

    Treasury/IRS Notice 2026-49: Guidance on Section 324 of the SECURE 2.0 Act with Respect to Rollovers

    SIFMA supports modernizing retirement plan rollovers through standardized electronic processes, fraud safeguards and appropriate implementation timelines.
  • Amicus Briefs
    Oct 21, 2026

    In re USD LIBOR Litigation

  • Letters
    Oct 20, 2026

    SEC’s Proposed Rule Regulation Crypto Assets

    SIFMA and SIFMA AMG provide recommendations to the SEC on its proposed crypto asset regulation, addressing regulatory clarity, implementation and investor protection.

Get the latest trends, stats, and research on financial markets and securities.