Retail investors pay over twice as much attention to local companies than non-local ones, based on Google searches. News volume and volatility amplify this attention gap. Attention appears causally related to perceived proximity: first, acquisition by a nonlocal company is associated with less...

This paper analyzes the relationship between the proportion of institutional investors' shareholding and the probability of stock manipulation using 252 cases of manipulation disclosed in public administrative penalty decision of the China Securities Regulatory Commission (CSRC) from 2007 to...

Using the BJZZ (2021) subpenny transaction price algorithm, we identify a broad swath of marketable retail investor orders in the U.S. market between January 2020 and June 2021. During the pandemic period, the retail trading volume we identify increases from 10% of total market volume to about...

This paper examines the trading patterns of retail investors following insider trading and the corresponding price impact. Retail investors follow the opportunistic purchases by insiders, but not their routine purchases. The abnormal retail downloads of the Form 4 filings from the EDGAR database...

Using short sell transactions data from 2010 to 2016, this paper is the first to provide a comprehensive sample of short selling initiated by retail investors. We find that retail short selling can predict negative stock returns. A trading strategy that mimics weekly retail shorting earns an...

This paper examines customer momentum, defined as a positive relationship between a firm's returns and past returns of its customers. I confirm previous evidence (Cohen and Frazzini 2008) that customer momentum is both statistically and economically significant. Long-short equally-weighted...

We hypothesize and find that the value of active management depends on characteristics of markets and investors. Using unique data, we focus on the performance of actual passive and active equity positions of an important category of institutional investors (defined benefit pension plans) from...

We examine the trading behavior of institutional investors in the Exchange Traded Fund (ETF) market from 1993 to 2007. We concentrate on the relation between cross-sectional institutional ETF ownership and returns, particularly on the relation between changes in ownership and future returns,...

We find substantial herding in U.S. corporate bonds among bond fund managers, much higher than that previously documented for the equity market. Herding is generally stronger among illiquid bonds, and buy herding and sell herding are driven by different factors. In particular, sell herding...

Recent research shows that small trade imbalances are negatively associated with future stock returns. I find that this negative association only exists when stocks have initially been mispriced. In addition, mispricing occurs before the sentimental trading of small investors. In stocks with...