5 Geopolitical Events with Highest Impact on S&P 500

4. Korean War (6/23/1950)

Initial Impact: -12.8%

30-days Impact: -8.67%

90-days Impact: 1.20%

Average impact: -6.76%

The Korean War was fought between North Korea and South Korea and their allies on the Korean Peninsula. The Korean War had a devasting impact on the market and on average the S&P 500 fell by nearly 6.76%. The Korean War ranks fourth among the 20 geopolitical events with the highest impact on the S&P 500.