In the period 1991-2010, the S&P 500 destroyed value for the shareholders ($4.5 trillion). In 1991-1999 it created value ($5.1 trillion), but in 2000-2010 it destroyed $9.6 trillion. The market value of the S&P 500 was $2.8 trillion in 1991 and $11.4 trillion in 2010.We also calculate the...