A good read on the subject is A Random Walk Down Wall Street: http://www.amazon.com/Random-Walk-Down-Wall-Street/dp/0393325350/ref=sip_rech_dp_10 http://www.am

A good read on the subject is A Random Walk Down Wall Street: http://www.amazon.com/Random-Walk-Down-Wall-Street/dp/0393325350/ref=sip_rech_dp_10 http://www.amazon.com/Random-Walk-Down-Wall-Street/dp/039332... It's been touted for nearly 40 years.