JPMorgan's trading division has raised concerns about recent actions undermining the Federal Reserve's independence, signaling a potential short-term risk to U.S. markets. News of a criminal investigation involving the Federal Reserve prompted declines in U.S. stock futures and the dollar, while boosting demand for safe-haven assets like gold. Despite solid macroeconomic and corporate fundamentals, JPMorgan remains cautious due to these political risks affecting short-term market performance.