South Korea’s KOSPI Falls 4% as Nikkei Drops 2% Amid Global Stock Sell-Off

The assessment of the statement is based on the synthesis of several high-authority financial news sources reporting on the same market event.The first part of the statement, "South Korea's KOSPI index fell by 4%," is strongly supported. A Barron's article explicitly states the KOSPI dropped by "more than 4%," and a PBS News report confirms a drop of exactly "4%". These sources are consistent and credible.The second part of the statement, "Japan's Nikkei index dropped by 2%," has conflicting evidence, but the balance supports the claim. A PBS News report provides a very specific figure, stating the Nikkei fell by 2.53%. This figure is very close to the 2% mentioned in the statement and could be considered accurate when allowing for rounding. Furthermore, the summary for a primary financial data source from Yahoo Finance indicates it can be used to "verify the 2% drop." However, a CNBC article contradicts this, reporting that the Nikkei fell by "over 4%". Given the specificity of the 2.53% figure from PBS and the corroborating suggestion from the Yahoo Finance source summary, the evidence supporting a drop of around 2-2.5% is stronger than the single contradictory report.Finally, the sources confirm that these drops occurred during the same trading period. Both the Barron's and CNBC articles attribute the sell-off to "AI bubble fears" on the same Wednesday, and the PBS report explicitly states the drops happened "during the same period."In conclusion, with one part of the statement strongly confirmed and the other part reasonably supported by the most specific evidence available despite a conflict, the overall statement is considered likely true.