Is CEO narcissism measured by first-person pronoun usage associated with stock price declines after a CEO assassination?

CEO Narcissism & Stock Prices1 min readUpdated June 10, 2026

What the Evidence Shows

We analyzed one assertion related to CEO narcissism and stock price changes after a CEO assassination, and found no evidence linking higher use of first-person pronouns like “I” and “me” to greater stock price declines. The single assertion we reviewed specifically examined health insurance...

Evidence from Studies

Supporting (0)

No supporting evidence found

Contradicting (0)

No contradicting evidence found

Primary Studies (1)

Delay, deny, and defend: Public outrage at health insurance companies and stock market debacle

DOI: 10.1371/journal.pone.0334399

Update History

Published

June 10, 2026·Last updated June 10, 2026

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