This paper uses holdings and outage data from Robinhood and transaction-level data from U.S. exchanges to examine how retail investors affect the pricing of public earnings information. We find that retail trader activity is associated with prices that are more responsive to earnings surprises,...

We examine how financial reporting quality affects the degree of noise in stock returns using the setting of Chinese A-B twin shares, which are shares for the same firm, traded on the same exchange but with separate inventor clienteles (i.e., mainly domestic vs. foreign). We measure return noise...