** Shares of Danish stone-wool manufacturer Rockwool
ROCKb.CO fall 3.4%, with one analyst pointing to a UBS
downgrade to "sell" from "hold" as a reason for the decline
** UBS sees margin normalisation after they were driven
since 2022 by falling energy costs, rising material prices and
high profits in Russia, UK and the U.S.
** For 2025, UBS expects higher energy costs, broadly flat
pricing and higher operating expenses, it says in a note
** It further highlights declining earnings in Russia, with
the co's guidance indicating around 1 pp margin headwind in 2025
** UBS expects the shares to de-rate over time due to weak
prospects in key end markets such as Eastern Europe, Germany and
France
** The stock is among the worst performers on Europe's
benchmark STOXX 600 index .STOXX
(Reporting by Anna Chaberska)
((Anna.chaberska@thomsonreuters.com;))