Dangerous Infectious Diseases: Bad News for Main Street, Good News for Wall Street?
Journal of Financial Markets, Vol. 35, pp. 84-103
- Research Area:
- Financial Markets
- Sep 2017
- WHO alerts, investor sentiment, pharmaceutical industry, trading strategies
We examine whether investor mood, driven by World Health Organization (WHO) alerts and media news on dangerous infectious diseases, is priced in pharmaceutical companies' stocks in the United States. We argue that disease-related news (DRNs) should not trigger rational trading. We find that DRNs have a positive and significant sentiment effect among investors (on Wall Street). The effect is stronger (weaker) for small (large) companies, who are less (more) likely to engage in the development of new vaccines. A potential negative investor climate (on Main Street) – induced by disease-related fear – does not alter the positive sentiment effect.
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