** Citigroup upgrades Swiss specialty chemicals company Sika SIKA.S to "buy" from "neutral", stating that the stock has already priced in weakness from its China business
** The broker expects China revenue to fall sharply, but sees margins, measured by earnings before interest, taxes, depreciation and amortization (EBITDA), bottoming out this year
** Restructuring efforts are expected to drive margin improvement from next year, with the broker noting the group's "China exposure seems manageable and in the price"
** Out of 22 analysts that cover Sika, 15 rate the stock "strong buy" or "buy,"three rate "hold" andfour rate the stock "strong sell" or "sell" - LSEG data
** Sika shares are up 1.6%
(Reporting by Maria Rugamer)
((Maria.Rugamer@thomsonreuters.com))