U.S. markets traded modestly lower before the bell Tuesday and ahead of the first of a two-day Federal Reserve meeting on where to go with interest rates. Futures for the S&P 500 and Dow Jones industrials both slipped 0.

U.S. stocks are holding steadier Monday in a slowdown from their scary roller-coaster ride in recent weeks. It may not last long, though, with a decision by the Federal Reserve on interest rates coming later in the week and worries continuing about President Donald Trump’s trade war .