XJO has averaged 1.72% gain when S&P 500 gained by more than 3%, with 82% times being up next day. The average intraday gain being being 0.9%, with 66% times being closed above open.
more here - http://asxiq.com/blog/sp-500-up-more-than-3-what-next-for-sp-asx-200/
more here - http://asxiq.com/blog/sp-500-up-more-than-3-what-next-for-sp-asx-200/