Evidence on Stock Prices Finds That the Sudden Death of a Chief

Evidence on stock prices finds that the sudden death of a chief executive officer causes stock prices to fall and the sudden death of an active founding chief executive officer causes stock price to rise.This contrary evidence happens because:

A) markets are inefficient and unsure of the real value of the events.
B) death is inevitable and market prices are random.
C) the value of the founding executive was a negative to the firm.
D) things simply happen.
E) None of the above.