U.S. stocks started lower on Tuesday as investors await Fed Chair Powell's remarks about the economy, tariffs, inflation and more.

U.S. stock index futures slipped on Tuesday as investors awaited a testimony from Federal Reserve Chair Jerome Powell for insight on tariffs and their impact on inflation in the world's biggest economy.

Check back for updates throughout the trading day U.S. equity futures moved lower in early Tuesday trading, while gold prices jumped to a fresh all-time high, as markets reacted to the latest round of tariffs from President Donald Trump and looked for comments on its effects for the U.