A hoax press releases had a dramatic effect on French contractor Vinci's share price and appears to have been an elaborately executed plot, although the company said that its IT systems had not been hacked. The bogus press releases caused a temporary fall of 18% in its share price, and Vinci said it was filing a complaint "against persons unknown". It said that on 22 November, 2016, at 16.05, Vinci was impersonated with the sending out of false information to certain media outlets.
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