Effect of Matherial Weaknesses on Stock Exchange Market

Topics: Internal control, Arithmetic mean, Standard deviation Pages: 40 (11617 words) Published: March 22, 2011
The impact of Sarbanes Oxley Act in companies’ share price

Ronnie Damonte

Month Year

School of Business Administration


1.1 Background Information.3
1.2 Objectives of the Research.3
1.2 Research Questions.4
1.3 Methods.4
2.1 What is the “Sarbanes Oxley Act”?5
2.2 SOX genesis.5
2.2.1 Toward the SOX.5
2.2.2 The development of SOX bill.6
2.3 Structure and contents of Sarbanes Oxley Act.8
2.3.1 - 100s Public Company Accounting Oversight Board.8
2.3.2 - 200s Auditor Independence.8
2.3.3 – 300s Behavior and Compensation of CEO, CFO and professional advisors.9
2.3.4 – 400s Disclosure Rules.11
2.3.5 – 500s Conflicts of Analyst Interest.12
2.3.6 – 600s Funding; 800, 900, 1100s Disciplining Transgressors.13 2.4 SOX Section 404.13
2.4.1 Overview of Section 404.13
2.4.2 Internal Auditor Role in Section 404.14
2.4.3 Definition of deficiencies in internal control system.15 2.5 Market reactions after SOX.16
3.1 Selection of the study sample.18
3.2 Research methodology.21
3.2.1 Average variation analysis.21
3.2.2 Gaussian distribution analysis.22
4.1 Introduction.27
4.2 Results of the average variation analysis.28
4.2.1 Calculation of the company stock trend.28
4.2.3 Calculation of the average variation.29
4.3 Results of the Gaussian distribution analysis for the entire sample.32 4.4 Results of the Gaussian distribution analysis applied to the type of industry.35
4.4.1 Automotive and transport.35
4.4.2 Construction.36
4.4.3 Consumer product manufacturers.37
4.4.4 Consumer services.38
4.4.5 Electronics.39
4.4.6 Energy and utilities.40
4.4.7 Financial services.41
4.4.8 Industrial manufacturing.42
4.4.9 Media.43
4.4.10 Pharmaceutical.44
4.5 Results of the Gaussian distribution analysis applied to the company size.45
4.5.1 Small size companies.46
4.5.2 Medium size companies.46
4.5.3 Large size companies.48
Appendix 1: Share price analysis per each selected company over a period of six months.56


1.1 Background Information.

In recent years Sarbanes Oxley Act (the Act or SOX hereafter), a corporate law of United States has brought significant changes in the governance, accounting, auditing, and reporting environment of firms traded in American securities markets. Under the new regime of SOX, public companies must have a system of internal controls, management must make disclosures and attestations about the internal controls, and the external auditors must also test and evaluate the system. Important internal control deficiencies, called technically material weakness, could lead the auditor to conclude that internal control over financial reporting is not effective.

In my role of Senior Consultant in Deloitte Touche Tohmatsu, my employer has asked me to implement a research in order to understand the effect on market share price of material weakness. In fact, negative market reactions could lead some companies to apply a delisting program, decreasing the business opportunities regarding SOX consulting and auditing prospective for Deloitte Touche Tohmatsu.

1.2 Objectives of the Research.

In an attempt to increase investor confidence in financial reporting, the Sarbanes Oxley Act mandates management evaluation and independent audits of internal control effectiveness. Motivated by the ongoing debate on the economic impact and consequences of SOX, this paper investigates the effects of the Act in the Stock Exchange Market, by examining market reactions to the disclosures of a material weakness during the evaluation of company internal control system. We use SOX 404 audit opinions to assess how announcements of a material control weakness affect...

References: Anne M. Marchetti, 2005, Beyond Sarbanes-Oxley Compliance: Effective Enterprise Risk Management, Wiley.
Alan D. Morrison, 2004, Sarbanes Oxley, Corporate Governance and Operational Risk, Sarbanes-Oxford Seminar, University of Oxford.
Barbara Pacini & Meri Raggi, 2005, Statistica per l’analisi operativa dei dati, Feltrinelli.
Cohen, Daniel A., Aiyesha Dey, and Thomas Z. Lys, 2005, Trends in earnings management and informativeness of earnings announcements in the pre- and post-Sarbanes Oxley periods, Working paper, New York University.
Financial Accounting Standards Board Statement No. 5, Accounting for Contingencies ("FAS No. 5"), Deloitte FAQ, 2005.
Financial Executive International (FEI), 2004. Section 404 costs survey.
Financial Reporting Council, 2004, The Turnbull guidance as an evaluation framework for the purposes of Section 404(a) of the Sarbanes-Oxley Act.
Guy P. Lander, 2004, What is Sarbanes-Oxley? Mc Graw Hill.
KPMG LLP, 2004. Sarbanes-Oxley Section 404: An overview of the PCAOB’s requirements.
Holmstrom, B. and S. Kaplan, 2003. The state of U.S. Corporate governance: What’s right and what’s wrong? Journal of Applied Corporate Finance 15, 8-20.
Leftwich, R., 1981. Evidence of the impact of mandatory changes in accounting principles on corporate loan agreements. Journal of Accounting and Economics 3, 3-36.
Li, H., M. Pincus, and S. Rego, 2004. Market reaction to events surrounding the Sarbanes-Oxley Act of 2002. Working paper, University of Iowa.
Michael F. Holt, 2006, The Sarbanes-Oxley Act: Overview and Implementation Procedures Manual, CIMA Publishing.
Protiviti Inc., 2003, Guide to the Sarbanes-Oxley Act: Internal Control Reporting Requirements, www.protivity.com.
Robert A Prentice, 2004, Guide to the Sarbanes-Oxley Act: What Business Needs to Know Now That it is Implemented, South-Western College/West.
Robert Charles Clark, 2005, Corporate governance changes in the wake if the Sarbanes Oxley Act, Discussion Paper, University of Harvard.
Scott Green, 2004, Sarbanes-Oxley and the Board of Directors: Techniques and Best Practices for Corporate Governance, Wiley.
State University of New York, http://www.oswego.edu/
Zhang, Economic Consequences of the Sarbanes-Oxley Act, 2005, Working Paper, University of Rochester.
Bryan-Low, 2003. Securities Threat: Bush Crackdown on Business Fraud Signals New Era. Wall Street Journal, October 08, 2003.
Day, K. and A.B. Crenshaw, 2002. SEC, Accounting Firms Redrafting Audit Rules; Agency Chairman Draws Fire for Role in Effort. The Washington Post, January 16, 2002.
Day, K. and K. Williams, 2002. CEO Deadline Brings Some Restatements; Accounting Certifications Overload SEC Staff. The Washington Post, August 15, 2002.
Hamburger, T., 2002. House Committee Postpones Vote on Oversight of Auditors. Wall Street Journal, April 12, 2002.
Hilzenrath, D.S., 2002. Hill Begins Search for Compromise on Accounting Rules. The Washington Post, July 20, 2002.
Hilzenrath, D.S. and H. Dewar, 2002. Senate Votes 97-0 TO Rein In Firms; Bill Targets Auditors and Executives. The Washington Post, July 16, 2002.
Hilzenrath, D.S., J. Weisman, and J. Vandehei, 2002. How Congress Rode a ‘Storm’ to Corporate Reform. The Washington Post, July 28, 2002.
Hitt, Gregg, 2002. Democrats in Senate Unite on Accounting-Overhaul Bill. Wall Street Journal, June 11, 2002.
Norris, F., 2004. Too Much Regulation? Corporate Bosses Sing the Sarbanes-Oxley Blues. New York Times, January 23, 2004.
Schroeder, M., 2002. Lawmakers Plan More Financial Oversight – Accounting Industry Faces Stepped-up Regulation and Limits on Services. Wall Street Journal, February 12, 2002.
Schroeder, M., 2002. Senate Panel Seeks Sweeping Change for Auditors. Wall Street Journal, March 7, 2002.
Schroeder, M., 2002. The Economy: Congress Seeks Harsher Penalties For Violations of Accounting Laws. Wall Street Journal, April 23, 2002.
Schroeder, M., 2003. SEC proposes Rules to Strengthen Boards. Wall Street Journal, January 9, 2003.
Solomon, D., 2003. Fraud Detector: SEC Sets a New Rule Aimed at Companies’ Internal Controls. Wall Street Journal, May 28, 2003.
Solomon, D., 2006. Why does material weaknesses do not crash the market? Wall Street Journal, June 25, 2006.
VandeHei, J., 2002. House GOP’s Leaders Fight Audit Plan; Lawmakers Seek to Dilute Some Senate-Passed Reforms. The Washington Post, July 17, 2002.
VandeHei, J. and D.S., Hilzenrath, 2002. Hill Leaders Agree on Corporate Curbs; Attack on Fraud Includes Auditing Control and Jail Terms. The Washington Post, July 25, 2002.
Wallison, P., 2003. Blame Sarbanes-Oxley. Wall Street Journal, September 3, 2003.
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