The agency reaps huge sums from rules violators through disgorgement that are used to repay victims.
The fight involved so-called intangible income, which includes proceeds from the sale of a business.
The Trump administration defended the ban, saying the provision didn’t curb private expression.
The court upheld a ruling that was viewed as widening the scope of insider-trading prosecutions.
The justices refused to question a Massachusetts law that bars for-profit corporations from making campaign donations.
Courts shouldn’t allow class arbitration unless an agreement clearly authorizes that type of proceeding, the justices ruled.
The ruling halts a trend of Supreme Court rulings that had trimmed the SEC’s authority.
The unanimous decision puts limits on what some consider to be abusive seizure tactics meant to raise revenue.
A fraud case before the U.S. Supreme Court could bolster the authority of the SEC.
Legal scholars say the Constitution is clear in automatically granting citizenship to all children born in the U.S.