Watch this 60 minutes segment (see link below) from a few weeks ago. It's easy to become cynical when you realize there are people out there who can do this easily.
Some people who have an ulterior motive and computer savvy can get news outlets to pick up and legitimize their fake news. They need to get it to trend on social media.
Watch the 60 minutes segment.
Today would have been an blueprint example. Buy shares, generate a takeover rumor, sell high and short. This collapsed so fast, it was the opposite of the flash crash from a few years ago.
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