Risks to the U.S. stock market are piling up as cracks emerge in the technology trade and the path for interest rates is clouded by persistent inflation worries that are being exacerbated by the potential for looming tariffs.

U.S. stocks slipped after the Federal Reserve held its main interest rate steady and broke a run of cuts that began in September. The S&P 500 fell 0.5% Wednesday. The Dow Jones Industrial Average dipped 0.