** Shares of cancer drug manufacturer Gritstone bio Inc
GRTS.O up 12.5% at $3.05 - biggest gainer on the Nasdaq
Biotechnology index
** Brokerage Piper Sandler initiates coverage with
"overweight" rating and PT at $6
** Brokerage is optimistic about GRTS's pipeline of cancer
and infectious disease vaccines
** Brokerage adds it expects GRTS' personalized cancer
vaccine to get FDA approval and launch in U.S. in 2027, and
estimates peak projected revenue of $2.09 billion in 2032
** 4 of 5 brokerages rate the stock "buy" or higher, 1
"sell"; their median PT is $8.99
** Including session's gain, stock had fallen ~76% YTD
compared with 12.5% decline in Nasdaq Biotechnology index .NBI
(Reporting by Sriparna Roy)
((Sriparna.roy@thomsonreuters.com))