To examine the Eurozone stock market reactions to European Central Bank (ECB) monetary policy announcement surprises, we study the effect of unexpected changes in the ECB's main refinancing rate on aggregate and sectorial Eurozone equity returns. We also analyse the results according to varying...

Roll R² (1988) concludes that our ability to explain stock returns is modest: close to 80% of the daily stock returns variance (65% for monthly stock returns) remain unexplained by a combination of priced factors and a portfolio of industry peers, even controlling for firm specific news...