Market Chatter -- Corporate finance press digest

LONDON, July 6 (Reuters) - The following corporate finance-related stories were reported by media on Monday:

* Five further potential bidders have emerged for a Porsche-owned derivatives package that controls Volkswagen (VOWG.DE) shares, Porsche (PSHG_p.DE) told German newspaper Handelsblatt [ID:nL080253]

* UBS (UBSN.VX) wants to shake up the top management of the embattled bank's brokerage business in the United States after deciding against a sale, the Financial Times said on Sunday, citing people familiar with the situation [ID:nN05225055].

* India's Oil and Natural Gas Corporation (ONGC.BO) and Russian companies are among those interested in buying a stake of at least 20 percent in Repsol's (REP.MC) Argentine unit YPF, Spanish business newspaper La Gaceta reported on Monday.

* French water and environmental services company Veolia Environnement (VIE.PA) has put its UK water arm up for sale to raise money to reduce its debt, the Sunday Times reported [ID:nL5679489].

* The outcome of the bidding war for German carmaker Opel is still up in the air, Germany's economy minister told a German newspaper [ID:nL557832].

* The UKFI, in charge of Britain's stakes in Lloyds Banking Group (LLOY.L) and Royal Bank of Scotland Group (RBS.L) will this week downplay expectations of a quick sale of the shareholdings, the Sunday Telegraph said [ID:nL5675462].

* Japanese investment bank Nomura (8604.T) is in exclusive talks to move its UK arm, including staff acquired from Lehman Brothers, from Canary Wharf to new offices in the City of London, the Financial Times said [ID:nL5541165].