$SPX Investors are preparing for the Federal Reserve’s interest rate decision due at 2 p.m. ET on Wednesday – another possible catalyst

Though the Fed is widely expected to maintain a steady hand on interest rates, traders are keeping a close eye on the central bank’s outlook for the rate policy path. Policymakers will be sharing their quarterly updates on rate expectations, gross domestic product, inflation and unemployment, and those insights arrive at a time when traders are shaky on what’s ahead for the U.S. economy and the impact on markets.