3 Biotech Stocks That Soared This Week: Are They Buys?

There's nothing like good results from a clinical study to light a fire beneath a biotech stock. That's what has happened with several biotechs over the last few days.

Madrigal Pharmaceuticals (NASDAQ: MDGL), Spectrum Pharmaceuticals (NASDAQ: SPPI), and Zogenix (NASDAQ: ZGNX) reaped the rewards from recent announcements of clinical results for their respective products, with all three biotech stocks soaring this week. Here are the catalysts driving each stock higher -- and more important, a look at whether or not the biotech stocks are smart picks for investors.

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Source: Fool.com