2018 Samsung fat-finger error

The 2018 Samsung fat-finger error was a fat-finger error on April 8, 2018 in which an employee of Samsung Securities mistakenly distributed shares worth US$100,000,000,000 to employees. The company is the stock trading arm of the Samsung conglomerate and is engaged in financial services including securities and investment banking sectors primarily in Korea, China, the United States, the United Kingdom, Japan, and Hong Kong.[1][2]

Error

The error happened when Samsung Securities tried to pay a dividend to about 2000 employees who participated in the company stock ownership plan.[3] The intent was to give each of those employees 1000 South Korean won worth, about US$1, but instead issued 2.8 billion shares.[4] These shares were worth about 112.6 trillion won, or 30 times the market capitalization of the company.[4] The company noticed the error 37 minutes later.[4] However, while the shares were issued and before the company noticed, 16 employees sold the shares which the company gave them.[4] Some of these employees, according to the country's Financial Supervisory Service, proceeded with the sale despite receiving warnings from the company.[5] The employees who sold their shares could have gotten US$9,000,000 each.[6] A South Korean financial watchdog later found that 21 employees traded or attempted to sell their shares to profit from the error and were promptly reported to prosecutors.[7]

When Samsung Securities provided the shares it used a process of naked short selling which is illegal in Korea and which the computer infrastructure was not supposed to allow.[8]

Consequences

The error caused the price of Samsung stock to drop by 11 percent within a day and to fluctuate after that.[4] The Financial Supervisory Service said that the incident undermined trust in the Korean capital market.[9]

The National Pension Service halted trading immediately after the error.[5] This pension has 136 trillion won or US$127,000,000,000 invested in the Korean stock market.[5] By May 7th 2018, Samsung Securities stated that it would file criminal lawsuits against employees who sold their shares during the fat finger incident.[3] On May 28th 2018 government prosecutors raided the Samsung offices.[10]

gollark: It's per-server, not person.
gollark: Of course it's not voice, apioformicoid.
gollark: ++help tel
gollark: <@356107472269869058>
gollark: Did NOBODY notice the acronym issue?

References
  1. Editorial, Reuters. "Samsung Securities Co Ltd (016360.KS)". U.S. Retrieved 2018-09-27.
  2. "Company Overview of Samsung Securities Co.,Ltd". www.bloomberg.com. September 27, 2018. Retrieved 2018-09-27.
  3. Jeong, Eun-Young (7 May 2018). "Samsung Securities Seeks Charges Against Some Employees Over 'Fat Finger' Mistake". Wall Street Journal.
  4. Son Ji-hyoung (8 April 2018). "Samsung Securities fiasco exposes stock trading loophole". The Korea Herald.
  5. Park, Ju-min; Lee, Joyce (9 April 2018). "Samsung Sec 'fat finger' debacle deepens as pension fund halts trade". Reuters.
  6. Charette, Robert N. (13 April 2018). "Samsung Securities' $105 Billion Fat-Finger Share Error Triggers Urgent Regulator Inquiry". IEEE Spectrum.
  7. Editorial, Reuters. "South Korean prosecutors raid Samsung Sec office over fat finger trade". U.S. Retrieved 2018-09-27.
  8. "Samsung Securities, did it go too short?". The Korea Herald. 8 April 2018.
  9. "(2nd LD) Regulator inspects Samsung Securities over 'fat-finger' dividend chaos". Yonhap News Agency. 9 April 2018.
  10. Narwan, Gurpreet (29 May 2018). "Investigators raid Samsung over £75bn 'fat-finger' slip-up". The Times.
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