Yahoo Finance·2025-12-18 09:32Core Viewpoint - The article discusses the negative impact of President Trump's trade policies, particularly tariffs, on the U.S. economy and the stock market, highlighting concerns from various experts and data indicating economic decline and high valuations in the S&P 500. Economic Impact - A February analysis claimed a global tariff of 10% could grow the economy by $728 billion, create 2.8 million jobs, and increase real household income by 5.7% [2] - However, experts argue that tariffs are slowing economic growth, with JPMorgan Chase reducing its long-term growth forecast by 0.2 percentage points due to new trade policies [3] - U.S. manufacturing activity has declined for nine consecutive months, with the Institute for Supply Management attributing this decline to tariffs [8] Employment Trends - The economy added an average of 17,000 jobs per month over the last six months, marking the slowest growth since 2010, excluding the pandemic [7] - The unemployment rate reached 4.6% in November, the highest level in over four years [7] Consumer Sentiment - The Michigan Consumer Sentiment Index averaged 57.6 year-to-date, the lowest since surveys began in 1978, indicating significant consumer pessimism [9] - Consumer spending, which accounts for about two-thirds of GDP, is likely to decrease due to this pessimism [9] Stock Market Valuation - The S&P 500 has advanced 15% year-to-date, despite economic uncertainty linked to tariffs [5] - The S&P 500's CAPE ratio recently exceeded 39, a level historically associated with declines in the following years [10][11] - Historical data suggests that after reaching a CAPE ratio above 39, the S&P 500 typically declines by 4% in the next year and 30% by December 2028 [12] Conclusion - The current market environment, characterized by high valuations and economic uncertainty, suggests caution for investors [14]