** Cloud analytics firm Snowflake's shares SNOW.N gain 14.4% to $229.3 premarket
** Co raises annual product revenue forecast to $4.40 bln from $4.33 bln, citing strong demand for data analytics services driven by rising AI spend
** Also lifts adjusted operating margin outlook to 9% from previous 8% forecast
** Barclays keeps "overweight" rating; raises PT to $255 from $219
** Says "pipeline & new product uptake support further strength in 2H that should continue to drive the story"
** At least seven brokerages raise PT on SNOW following the results
** Stock rated "buy" on avg by 51 analysts; median PT is $255, per data compiled by LSEG
** As of last close, SNOW up nearly 30% YTD
(Reporting by Kanchana Chakravarty in Bengaluru)
((Kanchana.Chakravarty@thomsonreuters.com))