US-China trade truce euphoria is giving way to worry over economic slowdown in the wait for the latest US consumer inflation report

U.S. stocks are leaping Monday after China and the United States announced a 90-day truce in their trade war. They agreed to take down most of their tariffs that economists warned could start a recession and create shortages on U.

And being a member of the S&P 500 could help out over the long run."That's because the S&P 500 is the most widely tracked index in the world," with more than $16 trillion in assets indexed or benchmarked to the S&P 500,