ZURICH, June 8 (Reuters) - The following are some of the main...

ZURICH, June 8 (Reuters) - The following are some of the main factors expected to affect Swiss stocks on Wednesday:

SWISS PRIVATE BANKS A British exit from the European Union could push the world's wealthy to keep less of their cash in London and turn to Swiss private banks instead, the chairman of Boston Consulting Group's (BCG) Swiss office said.

SONOVA SOON.S A rival of the Swiss hearing aid maker, Denmark's William Demant WDH.CO , is seeking to buy more retail outlets to control sales of its products and fight discounters including Costco. Sonova sells its products to Costco, but has also been buying up retail outlets to replace rivals' products on the shelves with its own.

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COMPANY STATEMENTS

• VimpelCom and CK Hutchison Holdings have received preliminary bids for some of their assets from Swisscom SCMN.S , Iliad SA and Digicel Group, Bloomberg reported, citing people familiar with the matter.
• Swiss Prime Site SPSN.S said it successfully completed a 250 million Swiss franc convertible bond issue due 2023.
• NAGRA, a Kudelski KUD.S company, and NOS Comunicações SA, announced the launch of a 4K Ultra HD RDK-enabled set-top box offering secured by NAGRA anyCAST CONNECT.

  *Schaffner SAHN.S said its aiming to have an EBITA margin of better than 8 percent while returning to growth over the next two years.

• Implenia AG IMPN.S said it is building a new mixed-use, sustainable neighbourhood at "Werk 1" on Sulzerareal site in central Winterthur, where housing is slated to be built on property that once formed the heart of Swiss industry.
• Roche ROG.S said it received EU approval for Avastin, Tarceva combination in a specific kind of lung cancer.
• Novartis NOVN.S said it is presenting information about its Cosentyx medication for psoriatic arthritis and ankylosing spondolytis at a conference. The Swiss drugmaker is counting on the drug to help make up for the patent expiration of its blood cancer medicine Gleevec.

  ECONOMY

• CPI CHCPIY=ECI data due at 0715 GMT
• Result of the Swiss federal bond issue SWIW due around 0900 GMT pre ((For Top News in a multimedia Web format on Eikon visit: http//emea1.views.cp.extranet.thomsonreuters.biz/Explorer/NEWSxTOPNEWS.aspx?group=SP_GROUP_001&page=SP_PAGE_001&pageName=FrontPage FOR RELATED PRICES, NEWS AND OTHER TOPICS, DOUBLE-CLICK ON: Daily Swiss stock market report in German................ All SMI constituent stocks............................ 0#.SSMI News on major Swiss stock price moves.................. FTSE Eurotop 300 index................................ .FTEU3 DJ STOXX index........................................ .STOXX Top 10 STOXX sectors............................. .PGL.STOXXS Top 10 EUROSTOXX sectors........................ .PGL.STOXXES Top 10 Eurotop 300 sectors....................... .PGL.FTEU3S Top 25 European pct gainers... .PG.PEUR , losers... .PL.PEUR Swiss mid-cap index .SSMI SMI futures 0#SMI: Swiss all-share index .SSHI Market statistics CH/STATS1 Swiss market digest .AD.S Sector overview CH/SECTOR1 All Swiss news Swiss research news All equity news INTERNET ADDRESSES: Swiss Exchange www.swx.ch/ Eurex www.eurexchange.com STOXX Ltd www.stoxx.com SPEED GUIDES: VX/EQUITY EQUITY EQUITY/NEWS1 EUR/EQUITY

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