The impact of disinformation on the stock market

A few hours after the closing of contributions on Wall Street, a news story attributed to Bloomberg caused X's shares (then Twitter) to shoot more than 8% on July 14, 2015. The headline claimed that the social network was going to be acquired for 31 billion dollars (28,160 million euros at the time), but the web bloomberg.com never reported on that offer. It was bloomberg.markets, a domain created in Panama just four days before it supplanted th…