While trading appears to be hazardous to most individual investors' wealth, some individual investors with well-functioning informational networks may be able to turn a profit. Indeed, we find that in the Chinese stock market, wealthy investors with portfolio values above the 99.5th percentile...

I show that endogenous investor inattention – investors allocating cognitive resources based on incentives – can explain substantial price underreaction to public information in corporate bond and stock markets. The key evidence is that prices under- react less to more payoff-relevant risks....