3 Biotech Stocks That Soared: Are They Buys?

Some of the biggest moves week in and week out come from biotech stocks. Whether it's a financial surprise, a positive clinical-trial update, regulatory approval, or even just rumors of potentially good news, biotech stocks can rise quickly.

Three biotech stocks did just that this past week, with gains of 18% to nearly 40%. Nektar Therapeutics (NASDAQ: NKTR), Wave Life Sciences (NASDAQ: WVE), and Savara soared over the past few days. Here's what lit a fire beneath these biotech stocks -- and whether they're buys after their huge gains. 

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Source: Fool.com