See Also: copper-64(medicine)
copper(2)(dictionary)
copper(dictionary)
copper(3)(dictionary)
copper(4)(dictionary)
Mr. Copper(finance)
Copper Age(encyclopedia)
copper(encyclopedia)
copper-67(medicine)
copper(1)(dictionary)

Mr. Copper (finance)


Otherwise known as Yasuo Hamanaka, Mr. Copper was a trader in the copper market who lost over $2.5 Billion for his employer, Sumitomo Corp. (in Japan). The losses amassed from unauthorized trading in secret accounts between 1985 and 1996.