5 things to know before the stock market opens Tuesday

Here are five key things investors need to know to start the trading day:

The Dow Jones Industrial Average fell nearly 1,000 points Monday, or roughly 2.5%, as several new signals shook traders' confidence. President Donald Trump ratcheted up his anger toward Federal Reserve Chairman Jerome Powell, demanding in a Truth Social post that the central bank lower interest rates "NOW." Investors are also searching for progress in U.S. trade negotiations, but not finding much. With the Dow down, the S&P 500 lost 2.36%, and the Nasdaq Composite shed 2.55%. Follow live markets updates.