Financial Tech companies are buiding apps to track DJT's twitter feed and based on his tweets, they may go long/short on stocks. For example, he talked about Pharmas "getting away with murder" and this happened:
This got me thinking - Would it be illegal for Twitter to institute a delay between when Trump's tweet was "Sent" and when it is actually published, and in the intervening time, do something with that information?
https://twitter.com/CNBCnow/status/819220410340405248/photo/...