** Shares of marketing automation firm Klaviyo Inc KVYO.N rise 3.2% to $34.63
** Morgan Stanley upgrades stock to "over-weight" from "equal-weight"; hikes PT to $50 from $40
** Brokerage sees co in early stage of multi-product story; says it could expand to broader platform unifying marketing automation, customer service and analytics
** KVYO is positioned to sustain more than 20% growth as its market opportunity expands for business to consumer (B2C) companies, Morgan Stanley says
** Brokerage expects about $1.3 bln cumulative revenue through 2030 from co's service segment; says co poised to deliver about 100 basis points in margin expansion in FY26
** 20 of 21 brokerages rate stock "buy" or higher, one "hold" ; median PT is $45.5 - data compiled by LSEG
** Including session's move, KVYO down 16.4% YTD
(Reporting by Avinash P in Bengaluru)
((Avinash.P@thomsonreuters.com;))