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This article was published 16/8/2013 (1211 days ago), so information in it may no longer be current.
BEIJING, China - Chinese stock prices swung wildly Friday after a brief trading frenzy blamed on a brokerage's computer error.
Trading volume soared to 54 per cent above Thursday's level, with 1.5 billion shares changing hands. That caused the main market index to spike up 6.5 per cent before falling to end the day down 0.6 per cent.
The country's fifth-largest brokerage, Everbright Securities Ltd., said later it suffered an unspecified problem with a computerized trading system.
Everbright sent 7 billion incorrect purchase orders for shares, according to a government news agency, China News Service.
Share prices of 70 companies including market heavyweights PetroChina Ltd. and major state-owned banks surged by the 10 per cent daily limit before falling back, according to CNS.
Everbright asked to have its trades cancelled, CNS said. But a statement on the exchange website said any transactions that were completed would be cleared normally.
Phone calls to the Shanghai exchange's press office were not answered.
The exchange and securities regulators were investigating the incident, CNS reported.