** Mental health treatment developer's ATAI.O shares jump
8% premarket, set to open at a five-week high of $17.72 as
Jefferies starts coverage with "buy"
** Brokerage says ATAI's psychedelics drug pipeline has a
"fair chance" of producing profound or differentiated effects
versus existing therapies
** Jefferies notes ATAI's strong balance sheet, and expects
upside from results of more than seven early and mid-stage drugs
due 2021-22
** Says all of ATAI's underlying compounds are partly
de-risked as they have previously shown positive evidence in
humans; assigns PT of $27, in line with median PT as per
Refinitiv data
** Stock down 22% from June debut price
(Reporting by Susan Mathew)
((susan.mathew@thomsonreuters.com))