One of Wall Street's Largest Banks Just Downgraded U.S. Stocks. Here Are 3 Reasons Why.

Core Viewpoint - The U.S. stock market may soon lose its competitive edge, with American stocks expected to perform at "benchmark" levels according to UBS Group's global equity strategy head Andrew Garthwaite [1] Group 1: Structural Changes in U.S. Equities - U.S. equities have enjoyed structural advantages that are now diminishing, as highlighted by UBS [2] - The current administration's policies, including trade tariffs and scrutiny on drug pricing, create an unpredictable business environment [4] - Companies are likely to reduce investments when they cannot plan effectively, which could lead to a decline in earnings growth that supports premium valuations [5] Group 2: Key Forces Impacting U.S. Stocks - The dollar is expected to weaken against global currencies, historically linked to U.S. stock performance; a 10% fall in the dollar's trade-weighted index has led to about a 4% underperformance in U.S. stocks [6] - Share buybacks, which have been a distinguishing factor for U.S. companies, are now less attractive as the combined shareholder yield from dividends and buybacks in the U.S. is roughly half that of Europe [6] - Valuations for U.S. stocks are significantly higher, with the industry-adjusted P/E ratio being 35% above that of international peers, compared to just a 4% premium in 2010 [6]