The purpose of this paper is to investigate investor reactions to financial restatements conditional on disclosures of internal control weaknesses under Section 404 of the Sarbanes-Oxley Act.
The research uses cumulative abnormal stock returns (CARs) as a proxy for investor reactions. Restatements and internal control reports are available on audit analytics. Multivariate regression analyses were used for testing.
Using a sample of restating firms whose original misstatements are linked to underlying internal control weaknesses, the research finds that cumulative abnormal returns for firms disclosing internal control weaknesses in a timely manner is negative in a three-day window around the restatement announcements. The finding indicates that restatements with early disclosure of internal control weaknesses provide more persuasive evidence of the ineffectiveness of a firm’s internal control over financial reporting, rather than early disclosure lowering the information asymmetry between a firm and investors.
This study employs CARs to examine the market reaction to restatements conditional on disclosure of internal control weaknesses.
Further study on reactions by creditors who have access to private information on firms could extend the implications of the finding.
The study contributes to the existing research by documenting that early disclosure of material weaknesses in internal control affects investors’ reactions to financial restatements.
