An investor sued a corporation in federal court under federal securities law. The investor had lost money after purchasing shares in the corporation based on the corporation’s misleading press release. The investor won at the district-court level, but the corporation appealed. The court of appeals reversed the trial court, and the investor filed a petition for a writ of certiorari with the U.S. Supreme Court. If it grants the petition, the Supreme Court will have exercised its _________________.