Small Businesses Gear Up for Tariff Fight at Supreme Court NYT | Top Stories Ana Swanson and Tony Romm 4 November 2025 at 23:35 Companies that sell diamonds, plant sensors and wine all have one thing in common: They are weighing in against tariffs in a consequential case. © Anushree Fadnavis/ReutersDiamonds are mined in various countries but are often cut and polished in India. President Trump used emergency powers to impose a 50 percent tariff on Indian exports in August.