U.S. stock indexes experienced a significant downturn on December 27, following the Christmas holiday, with the Dow Jones Industrial Average dropping 500 points, the S&P 500 declining by 1.6%, and the Nasdaq Composite falling 2.2%. The selloff was particularly pronounced in Big Tech stocks, amidst thin trading volumes due to the holiday period. European markets, in contrast, closed higher on the same day, with the DAX in Frankfurt up 0.68%, the CAC in France up 1.0%, and the FTSE 100 in the UK up 0.16%. This positive performance in Europe was attributed to a rebalancing of investments from the U.S. to Europe. Meanwhile, Asian markets saw gains led by Japan, where a weaker yen boosted Japanese equities, although Seoul's market declined due to ongoing political turmoil.