Why Shares of Cassava Sciences Rose 15% Today

Shares of Cassava Sciences (NASDAQ: SAVA) -- the biotech company responsible for Alzheimer's drug candidate simufilam -- are up 15% as of Thursday's market close after the company released interim data from a study funded by the National Institutes of Health. 

Its treatment focuses on restoring the shape of a scaffolding protein in the brain. The theory is that the misfolding of that protein leads to inflammation and degeneration of neurons in the brain.

Image source: Getty Images.

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Source Fool.com