Ten most stupid and expensive mistakes of stock market players

September 2006 of the year. Trader company J. P. Morgan Securities Japan pressed the wrong key on the computer, as a result of which the wrong shares were put up for sale. When mistake showed up, J. P. Morgan Securities Japan had to buy the sold securities again. Judging by that, what afternoon, when mistake was found, stock index rose, the shares had to be redeemed at a higher price. According to experts, the company's losses from a wrong transaction will not exceed 50 million dollars.

June 2006 of the year. Japanese company Tachibana Securities placed a sell order 2,6 thousand. shares of the Internet company Adways at a price 1670 Yen (14,47 dollar) for paper, despite the fact that the day before the company placed 2,4 thousand. shares on 1,4 million yen (12 thousand. Dollars) for pike. Although the mistake was noticed instantly, and the order was canceled, 1482 shares have already been sold. Losses broker appreciated more than 1,5 million dollars.
December 2005 of the year. Record mistake made by a trader of the Japanese company Mizuho Securities. The broker received an order to sell one share of the recruiting company J-Com. It happened on the very first day of J-Com trading: the day before the company placed shares at a price 610 thousand. Yen (5 thousand. Dollars). The broker entered a sales order into the computer by mistake 610 thousand. shares at a price of one yen. The error was noticed immediately, but the exchange computer system did not respond to requests to cancel the order. According to the newspaper “Vedomosti”, damage to Mizuho Securities amounted to more than 40 billion yen (341 million dollars). Thereby, what all the company had 14 thousand. Shares, placing an order caused chaos in the market, main market Nikkei index 225 collapsed on 301 paragraph.

Two weeks after the incident, the leadership of the Tokyo Stock Exchange resigned. At the same time, new rules were introduced., requiring, that brokerage companies check for possible errors all buy or sell orders over 5% company shares.

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Interesting, that the broker Mizuho Securities is demanding compensation from the exchange for losses, because her computer system allowed such a transaction. The exchange refuses to pay, and everything goes to that, that the parties will settle their mutual claims in court.

April 2003 of the year. British trader mistakenly purchased 500 thousand. GlaxoSmithKline shares at a price 13 pounds per share while the market price was less than 70 pence. Loss - more 6 million pounds, reported by The Wall Street Folly.

November 2002 of the year. Brokerage clerk, issuing quotes to Ryanair, mixed up the share price in euros and pounds. This mistake instantly raised the London Stock Exchange index by 61% with 404,5 to 653,7 item.

October 2002 of the year. Because of, that some British trader made a mistake when entering the futures price, trading on the Eurex exchange, the largest platform for working with secondary financial instruments, stopped for three hours, and the stock index fell by 500 points.

September 2002 of the year. Trader Eurex, intending to sell one contract on the German DAX index at the level 5180 points, sold 5180 Contracts, what led to the collapse. Five hours later, the management of the exchange decided to cancel all transactions, prisoners after that, what caused the collapse.

December 2001 of the year. The trader of the Swiss bank UBS Warburg achieved a phenomenal result in a couple of seconds - he caused damage to his company in 71 million pounds. He tried to sell 16 shares of the Japanese company Dentsu by 600 thousand. yen per share, but instead sold 610 thousand. stocks priced at six yen.

May 2001 of the year. Lehman Brothers investment bank trader wanted to sell shares for 3 million pounds, however, entered too many zeros and sold shares at 300 million pounds.

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November 1999 of the year. The dealer leaned against the keyboard and accidentally sold 16 thousand. shares of Premier Oil with a total value of more than 1,8 million pounds.

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