At stake is the arrangement under which Fannie Mae and Freddie Mac have transferred their profits to the Treasury Department.
The justices appeared skeptical that the SEC exceeded its powers by obtaining a $27 million disgorgement order against a California couple.
The ruling in a case against Intel could make it easier for retirement plan beneficiaries to sue administrators for investing plan funds imprudently.
The Supreme Court denied review of a First Amendment challenge to Massachusetts' ban on corporations making direct contributions to political campaigns.
The automaker lost its bid for review of a lower court ruling that exposes it to liability for injuries resulting from an ignition-switch defect.
Consumers must show "concrete" harm when consumer reporting agencies publish inaccurate information about them, the court rules on a 6-2 vote.
