U.S. stock indexes are rising as Wall Street waits to hear what the Federal Reserve will say about where interest rates may be heading.

Asian shares mostly rose Tuesday as investors were encouraged by another rally on Wall Street. Japan's benchmark Nikkei 225 gained 1.3% to 37,903.43. The Bank of Japan was expected to keep its benchmark interest rate unchanged at a monetary policy board meeting due to wrap up Wednesday.

Trump’s announced tariffs are causing volatility as worries about slower growth, potential resurgence of inflation, and uncertainty of what the endgame is, send investors to the sidelines.