Accidental orders of Japanese stock worth more than the GDP of Sweden had to be canceled in 2014, in what is believed to be the largest “fat finger” (caused by keyboard error) trade ever.
A junior staffer at Deutsche Bank accidentally paid this 10-figure sum to a U.S. hedge fund in 2015 by processing the wrong type of trade. The bank recovered the funds the next day.
Taylor & Sons Ltd. was accidentally listed as having gone bust on the U.K.’s register of companies in 2015 when its name was misspelled. The British government had to pay the firm’s owners millions in compensation.
This appears in the March 20, 2017 issue of TIME.