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  • Trump ‘marveled’ at the fact one of his tweets seemed to move the stock market

    Business Insider - 05/15/2019

    A study done in 2017 at Northeastern University looked at Trump’s tweets from his election to his inauguration, that “identified ten publicly traded firms.”

    “Using standard event study methods, we find that positive (negative) content tweets elicited positive (negative) abnormal returns on the event date and virtually all of this effect is from the opening stock price to the close,” the study explains. “Within five trading days, the CARs are no longer statistically significant.”

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