** Language learning platform Duolingo's DUOL.O shares fall 4.1% to $100.05 premarket

** Argus Research downgrades to "hold" from "buy"

** Brokerage says co's new strategy of prioritizing Daily Active User growth is "likely to pressure bookings and limit revenue growth in the near-term"

** "We expect growth in DAUs to continue as this innovative company expands beyond language learning into areas such as chess, math, and music courses" - Argus Research

** Avg. rating of 25 analysts is "hold;" their median PT is $107.50 - data compiled by LSEG

** Up to last close, stock has fallen 40.5% this year

(Reporting by Anhata Rooprai in Bengaluru)

((Anhata.Rooprai@thomsonreuters.com))