反转再反转，美国这次加征全球关税，如同舞台剧一样

Group 1 - The Supreme Court ruling has significant implications for the U.S. domestic economy, despite having little effect on Trump's international relations [3][5] - Trump quickly adjusted his strategy by invoking the Trade Act of 1974, increasing global tariffs from 10% to 15%, which is higher than initially planned [5] - The increase in tariffs is expected to burden American consumers, with an estimated additional cost of $1,700 per household annually due to rising import costs [7][9] Group 2 - High tariffs are putting pressure on U.S. manufacturing, with overall costs rising by 2% to 4.5%, and specific industries like automotive facing increased costs of $1,200 to $2,500 per vehicle [9] - The manufacturing sector is experiencing job losses, with over 80,000 layoffs in the past year, contradicting Trump's goal of bringing manufacturing back to the U.S. [9][11] - The share of manufacturing in the U.S. economy is declining, projected to drop from 10.8% in 2024 to 10.5% in 2025, indicating a lag in advanced technology sectors [11] Group 3 - The semiconductor industry is facing significant losses due to increased tariffs, with over $10 billion in damages and a reduction in global market share from 37% in 1990 to 12% today [11] - If tariffs persist, consumer electronics prices are projected to rise significantly, with smartphones potentially increasing by 31% and gaming consoles by 69% [11] - The U.S. is losing competitive ground to China in high-tech sectors, with China making substantial advancements in electric vehicles, artificial intelligence, and semiconductor production [13]