Long-term valuation effects of stock splits

Abstract

This study attempts to determine if stock splits affect the long-term stock performance of forms, and to explain cross-sectional variation in this performance proxy among firms. The consequences of both higher percentage transaction cost following a stock split and an investor overreaction hypothesis are expected to render negative effects on stock values. The consequences of any earnings and dividend signaling accompanying splits are expected to have a positive impact on stock values. The results of the analysis suggest that the cumulative abnormal returns (CARs) are positive and statistically significant through the eleventh month after a stock split. The CARs then decrease nearly monotonically through the thirty-sixth month after the split (CAR=−8.23%). This indicates that initially the signaling effects dominate, but later the consequences of investors' downward revisions of previous expectations and the increase in percentage transaction cost dominate. The cross-sectional results indicate that firms with higher earnings-growth rates exhibit higher CARs, and firms with higher share prices just before the split exhibit lower CRRs.