The stock price index is a thermometer reflecting changes in the stock market, and can convey key information on capital market dynamics and trends to investors. This paper empirically investigates the impact of index adjustments on corporate social responsibility performance by employing the...

This paper provides evidence that the 52-week high serves as a psychological barrier, inducing expectational errors and underreaction to news. Two clear predictions emerge and are confirmed in the data. First, nearness to a 52-week high induces expectational errors; evidence from earnings...