Costco stock: Supreme Court tariff decision date, shareholder meeting put COST in play next week
New York, January 11, 2026, 11:08 EST — The market has closed. The U.S. Supreme Court will deliver its next batch of rulings on Jan. 14, leaving a challenge to President Donald Trump’s broad tariffs still in play as traders prepare for the week. The court heard arguments on the tariffs back on Nov. 5 but hasn’t indicated if this case will be included in that day’s decisions. (Reuters) U.S. markets are closed on Sunday, leaving the tariff case as one of the rare, well-defined catalysts for big-box retailers ahead of Monday’s session. Investors are weighing if this will be