In the following video, Motley Fool health care analyst David Williamson talks about Pfizer's (NYSE: PFE ) earnings report. He details how the company managed to cut costs and shore up emerging market sales -- leading to it beating expectations this quarter -- despite the loss of patent protection for its cardiovascular disease prevention drug Lipitor, which was once the greatest-selling drug of all time.
While you can certainly make huge gains in biotech and pharmaceuticals, the best investing approach is to choose great companies and stick with them for the long term. In our free report "3 Stocks That Will Help You Retire Rich," we name stocks that could help you build long-term wealth and retire well, along with some winning wealth-building strategies that every investor should be aware of. Click here now to keep reading.