This CC shows how a trader led to a disaster with a finger... The costly instance of so-called fat finger syndrome occurred on the morning of 9th December, 2005 in Japan, when a trader at Mizuho Securities tried to sell 610,000 shares in a recruitment agency called J-Com, at one yen each, despite the fact the company had only 14,000 shares in issue. The unnamed trader had meant to sell one share at 610,000 yen but the Tokyo stock exchange (TSE) processed the mistaken trade even though it was for 41 times the size of J-Com stock...
Thanks to Tando Spellman for helping me with this chaos ._.