Swiss stocks - Factors to watch on Dec 19

Zurich, dec 19 (reuters) - The following are some of the main factors expected to affect swiss stocks on Friday

ABB (ABBN.VX: Quote, Profile, Research)

Swiss engineering group ABB said it would book pre-tax provisions of around $850 million in the fourth quarter due weaker markets and investigations by U.S. and European authorities.

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UBS (UBSN.VX: Quote, Profile, Research)

The Swiss National Bank said on Friday it had acquired the first tranche of assets from UBS (UBSN.VX: Quote, Profile, Research) as part of the deal to take toxic assets worth $60 billion from the Swiss bank's balance sheet.

For related news, click on [UBSN.VX]