Antoniou, Constantinos; Doukas, John A.; Subrahmanyam, … - In: Journal of Financial and Quantitative Analysis 48 (2013) 01, pp. 245-275
We consider whether sentiment affects the profitability of momentum strategies. We hypothesize that news that contradicts investors’ sentiment causes cognitive dissonance, slowing the diffusion of such news. Thus, losers (winners) become underpriced under optimism (pessimism). Short-selling...