Presidential Attack Risk

The prevalence of social media has inspired multiple researchers to investigate the value information on various platforms. However, most studies focus integrating individual views (the wisdom crowd), and few just one person's effect. To close this gap, article investigates impact Trump's tweets stock markets. Based intraday market data, study uses an event test immediate reaction markets in both Chinese U.S. Next, with ordinary least squares (OLS) regression, testes effect tweets' content features returns volatility indices. results show that impacted financial market, especially during COVID-19 pandemic. With additional analyses based industry indices time frequencies, found sentiment Twitter affected trade war pharmaceutical