““CEOs go to their vacation homes just after companies report favorable news, and CEOs return to headquarters right before subsequent news is released. More good news is released when CEOs are back at work, and CEOs appear not to leave headquarters at all if a firm has adverse news to disclose. When CEOs are away from the office, stock prices behave quietly with sharply lower volatility. Volatility increases immediately when CEOs return to work.” —David Yermack, a New York University finance professor, whose recently released study shows a correlation between when CEOs take their private jets on vacation and movements in their companies’ stock price ”
Berkshire Hathaway: FlightSafety Up, NetJets down
Revenues at FlightSafety International increased last year, but declined at NetJets, according to Berkshire Hathaway, which owns both companies but does
not release earnings figures for these divisions. In the fourth quarter last year, NetJets "experienced a significant reduction in revenue as general economic conditions worsened," Berkshire Hathaway reported. "This resulted in lower customer usage and demand, which negatively affected operating margins."