Prior research shows that momentum returns are unlikely to be explained by risk-based theories. Daniel, Hirshleifer, and Subrahmanyam (1998) show that momentum effect can be explained by investors overconfidence and self-attribution bias while Barberis, Shleifer, and Vishny (1998) and Hong and...

The fierce aerospace competition between superpowers results in a strong public attention to satellite launch events in the U.S. Under limited attentional resources, U.S. investors allocate their attention more to market-level shocks than firm-specific shocks, making stock returns to comove more...