Updates
** Shares of streaming platform Roku ROKU.O jump 13.7% at $113.77, reversing premarket declines
** Stock hits its highest level since April 2022, set for biggest one-day jump since early April
** Co raises forecast for FY platform revenue to $4.11 bln, from previous $4.08 bln; shows 17% jump YoY in Q3
** Q3 revenue of $1.21 bln broadly in line with analysts' estimates - data compiled by LSEG
** Platform revenue growth driven by video advertising and streaming services, even as co faces stiff competition in ad-supported streaming from Amazon AMZN.O, Google GOOGL.O and Apple AAPL.O
** J.P.Morgan lifts PT to $115 from $105; says Q4 outlook supports its 2026 bull case, helped by ad partnership with Amazon, new homescreen and World Cup tailwinds
** At least five brokerages besides JPM raise their PTs on stock, including Morgan Stanley, Wells Fargo and Susquehanna
** 20 out of 33 analysts rate the stock "buy" or higher, 12 "hold" and one "sell"; median PT at $110 - data compiled by LSEG
** Stock up over 54% YTD, including session's moves
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))