The healthcare sector is a hotbed of innovation, and those companies that genuinely break new ground are often handsomely rewarded, along with their shareholders. Investors looking to earn outsized returns over long periods (which describes most investors) would do well to consider shares of innovative companies such as CRISPR Therapeutics (NASDAQ: CRSP), Sarepta Therapeutics (NASDAQ: SRPT), and (NASDAQ: DXCM).

Let's find out why these three revolutionary stocks are worth buying.

Gene-editing specialist CRISPR Therapeutics currently has no products on the market. But the company's candidates all use the CRISPR (hence its name) gene-editing technique that earned the researchers who pioneered it a Nobel Prize for their trouble. So far, this groundbreaking technology hasn't led to any approvals.

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Source Fool.com