US Supreme Court limits Trump tariffs under IEEPA; 100% China move rocked crypto

On Friday, the US Supreme Court ruled 6–3 that the Executive Branch lacks authority to impose tariffs under the International Emergency Economic Powers Act. President Donald Trump criticized the decision and said he would seek "other alternatives" to restore tariffs. A 100% China tariff announced on Oct. 10, 2025 previously sent Bitcoin from about $122,000 to about $107,000 within minutes.