Stock Market Bubbles Are

Stock market bubbles are

A) created when investors stray from the fundamental determinant of corporate earnings and give too much attention to interest rates.
B) created when investors stray from the fundamental determinant of interest rates and give too much attention to corporate earnings.
C) created when investors stray from the fundamental determinants of corporate earnings and interest rates and give too much attention to what the stock will be worth next year.
D) created when investors pay too much attention to the fundamental determinants.