** Shares of Editas Medicine EDIT.O rise 9.8% to $7.60
premarket
** Stifel upgrades EDIT to "buy" rating from "hold", raises
price target to $17 from $9
** Brokerage says the gene editing co's sickle cell therapy
progress has received 'minimal credit' from investors
** Adds that it is "challenging" to rationalize the mismatch
between EDIT and rival CRISPR Therapeutics' CRSP.BN valuations
** CRSP's therapy for sickle cell disease was granted
priority review in June
** Sickle cell disease is an inherited blood disorder that
affects hemoglobin, the protein that carries oxygen through the
body
** Up to last close, shares down 22% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))