** Icosavax's shares ICVX.O down 7% at $7.20
** Says investigation into COVID-19 vaccine candidate showed
its main component was unstable, with issue specific to the
molecule urn:newsml:reuters.com:*:nGNX1McLZk
** Adds there's no evidence of impact on other vaccine
development programs
** Interim data from early-stage study released in March
showed COVID vaccine candidate was immunogenic but level of
response was below co's expectations urn:newsml:reuters.com:*:nL3N2VS2R1
** Brokerage William Blair upbeat about investigation
results, says it believes that risk-reward symmetry is
favorable, especially after recent positive results from vaccine
candidate against respiratory syncytial virus urn:newsml:reuters.com:*:nGNX77YgLc
** All four brokerages rate the stock "buy" or higher; their
median PT is $29.50
** Including session's loss, stock down ~69% YTD
(Reporting by Leroy Leo in Bengaluru)
((Leroy.Dsouza@thomsonreuters.com ; Twitter: https://twitter.com/LeroyLeo7;))