Market-based value style equity portfolios do not systematically outperform market-based growth style equity portfolios, despite considerable academic research that suggests that they should. This is an unresolved puzzle in the long lineage of work on this topic. We ask whether portfolio...

We investigate the joint ability of fundamental-based and market-based news to explain the anomalous underperformance of the stocks with high idiosyncratic volatility (high IVOL). An out-of-sample prediction of future profitability is adopted as a proxy for the fundamental–based news while...