3 Best Biotech Stocks to Buy Now

Biotech stocks have been on fire for much of the past 12 months, enjoying record levels of investor enthusiasm. The iShares NASDAQ Biotechnology ETF (NASDAQ: IBB), a benchmark for sector performance, offered a return of 42% over the past year as of Feb. 9. That's over twice the amount the S&P 500 had in the bag for investors during the same period.

Unlike other sectors, one major driver behind biotech firms' momentum is their dedication to research and development. Companies in the industry typically reinvest more than 20% of their revenue in developing new treatment and therapies. Today, let us look at three top biotech stocks and how they could add wealth to your portfolio in the coming months.

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Source Fool.com