Sumitomo Corporation of Japan - The Commodity Derivatives Fiasco|Finance|Case Study|Case Studies

Sumitomo Corporation of Japan - The Commodity Derivatives Fiasco

Case Studies | Case Study in Business, Management, Operations, Strategy, Case Study

ICMR HOME | Case Studies Collection

To download Sumitomo Corporation of Japan - The Commodity Derivatives Fiasco case study (Case Code: FINC029) click on the button below, and select the case from the list of available cases:

Finance | Case Study in Management, Operations, Strategies, Business Ethics, Case Studies

Finance Case Studies
Short Case Studies
View Detailed Pricing Info
How To Order This Case
Business Case Studies
Case Studies by Area
Case Studies by Industry
Case Studies by Company

Custom Search

Please note:

This case study was compiled from published sources, and is intended to be used as a basis for class discussion. It is not intended to illustrate either effective or ineffective handling of a management situation. Nor is it a primary information source.

Chat with us

Strategic Management Formulation, Implementation, & Control, 12e

Please leave your feedback

Leave Your Feedback

ICMR India ICMR India ICMR India ICMR India RSS Feed

Case Details:


Case Code : FINC029 For delivery in electronic format: Rs. 400;
For delivery through courier (within India): Rs. 400 + Shipping & Handling Charges extra


EVA Financial concepts
Case Length : 13 Pages
Period : 1996 - 2004
Pub. Date : 2004
Teaching Note : Not Available
Organization : Sumitomo Corporation
Industry : Financial Trading, Minerals
Countries : Japan


The case discusses how Yasuo Hamanaka (Hamanaka), the chief copper trader at Japan's Sumitomo Corporation caused major losses to the company through his unauthorized trading activities in the physical and futures market in copper at the London Metal Exchange.

It traces the complete sequence of events leading to the revelation of the scandal.

The case also highlights the reasons for the copper debacle, including the lack of proper managerial supervision and operational control systems and the misuse of authority by Hamanaka.

Finance | Case Study in Management, Operations, Strategies, Finance, Case Studies


Analyze the reasons that led to the huge losses of Sumitomo Corporation

Importance of proper supervision and control systems in a trading firm to mitigate risks


  Page No.
Introduction 1
Background Note 2
Events Leading to the Debacle 3
Why Did it Happen? 5
The End Result 6
Exhibits 8


Yasuo Hamanaka, chief, copper, trader, Sumitomo Corporation, unauthorized trading, physical, futures market, copper, London Metal Exchange, revelation, copper debacle, managerial supervision, operational control systems, misuse, authority

Sumitomo Corporation of Japan - The Commodity Derivatives Fiasco - Next Page>>

Custom Search

Marketing Financial Products
Textbooks Collection

Case Studies in Finance Vol III

Case Studies in Finance Vol III
e-Book on Case Studies in Finance

Case Study Volumes Collection


Case Studies Links:- Case Studies, Short Case Studies, Simplified Case Studies.

Other Case Studies:- Multimedia Case Studies, Cases in Other Languages.

Business Reports Link:- Business Reports.

Books:- Textbooks, Work Books, Case Study Volumes.

Leave Your Feedback

More ICMR India Case Studies

Business Environment Business Ethics Business Reports Business Strategy
Corporate Governance Economics Enterprise Risk Management Finance
HRM Innovation Insurance IT and Systems
Leadership and Entrepreneurship Marketing Miscellaneous Operations
Project Management Short Case Studies Cases in other Languages Free Case Studies