The patent on Lipitor, the best selling prescription drug in history, expired today, but Pfizer shows no signs of letting generics push its biggest money maker aside.
As the world rapidly changes around us, some major companies have managed to continue raking in big profits by doing the same thing they've been doing for years.
Buying up blue-chips isn't as sexy as investing in small cap stocks with massive growth potential, but some mega caps could offer stability and solid growth.