They bought the company for 1.6b in 2005. They sold the company for 3.4b in 2007. Did this happen because they made its management less effective? Do you thin

They bought the company for 1.6b in 2005. They sold the company for 3.4b in 2007. Did this happen because they made its management less effective? Do you think people who spend 3.4b to buy a company are unsophisticated investors?