** Shares of diversified manufacturer Leggett & Platt LEG.N rise 9.4% to $11.22 premarket after Somnigroup International's SGI.N all-stock acquisition proposal
** LEG shareholders to receive SGI common stock valued at $12 under the proposal, for every LEG share they hold
** Offer represents a premium of over 16% to LEG's last close of $10.26; stock logged its eighth session of gains, its longest win streak since October 2019
** LEG had a market capitalization of $1.39 bln, as of Friday's close, while SGI was at $19.21 bln - data compiled by LSEG
** All four analysts covering LEG stock rate it "hold" - data compiled by LSEG
** Up to last close, LEG shares up 6.9% YTD
(Reporting by Anastasiia Kozlova in Gdansk)
((Anastassia.Kozlova@thomsonreuters.com))