Japan By Ethan RileyDecember 15, 2025Japan’s Nikkei Gears Up for Volatility as U.S. S&P 500 and Euro Stoxx Hold Steady Before Crucial Central Bank Moves Japan’s Nikkei braces for turbulence as U.S. S&P 500 and Euro Stoxx slip ahead of crucial central bank decisions. Investors gear up for pivotal policy clues amid mounting global economic uncertainty