New Evidence from S&P 500 Index Deletions

Rashiqa Kamal

The International Journal of Business and Finance Research, 2014, vol. 8, issue 2, 1-10

Abstract: Kamal, Lawrence, McCabe, and Prakash (2012) argue that information asymmetry exists in the financial markets and additions to S&P 500 Index convey new information about the added firms to the uninformed investors. They further argue that because of important changes and regulations in the financial markets, like, Regulation Fair Disclosure, Sarbanes-Oxley Act, and Decimalization of the exchanges, in or after the year 2000, information asymmetry has decreased. In support of their arguments, they find that for additions, the positive abnormal returns on announcement day have decreased, and added stocks’ liquidity changes have become marginal in the post-2000 period. We extend their work and for a sample of deletions between October 1989 and December 2011, we find that the negative abnormal returns on the announcement day are not significantly different in the post-2000 period, but the negative returns are reversed earlier in the post-2000 period. Contrary to our expectation, liquidity changes after deletion are significant in the post-2000 period. However, when we divide our sample into optioned versus nonoptioned stocks and control for other factors that affect liquidity, we find that liquidity changes after deletion are insignificant in the post-2000 period.

Keywords: S&P 500 Deletions; Information Asymmetry; Liquidity Changes (search for similar items in EconPapers)
JEL-codes: G12 G14 (search for similar items in EconPapers)
Date: 2014
References: Add references at CitEc
Citations: View citations in EconPapers (3)

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