2 Best Biotech Stocks to Buy Now

Biotech stocks are popular with investors because of their drugs' life-saving benefits and strong intellectual property moats. Current patent laws allow drug developers market exclusivity for two decades from the date of filing. This gives them a virtual market monopoly on their products. A portion of their sales is then reinvested into research and development, leading to a sustainable and wildly profitable business model. 

Today, let's look at two such biotechs, soon-to-go-public Roivant Sciences and coronavirus juggernaut Pfizer (NYSE: PFE), and what they have to offer in their pipelines. 

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Source Fool.com