We compare European Indices (DJ Stoxx 600, Eurostoxx 50, FTSE 100) to US Indices (Russell 2000, S&P 500, Nasdaq Composite, Nasdaq 100) and Japanese Indices (Topix, Nikkei225).First, from 2014, December 31st to 2015, November 11th. Using a longer period could lead to wrong conclusions given the...