Swiss stocks - Factors to watch on Oct 28

ZURICH, Oct 28 (Reuters) - Swiss stocks are set to open slightly weaker on Wednesday, as Asian shares fell after a dip in U.S. consumer confidence cast doubt on the speed of economic recovery.

The Swiss blue-chip index SMI.SSMI was indicated to open 7 points lower at 6,361 points, premarket data provided by bank Clariden Leu showed.CLPRE

The following are some of the main factors expected to affect Swiss stocks on Wednesday:

NOVARTIS (NOVN.VX)

* GlaxoSmithKline has yet to get U.S. government approval for its swine flu vaccine, the company said on Tuesday, while Novartis said it was still struggling to make vaccines.

* The European Union has approved Novartis AG's Ilaris to treat children and adults with a rare but potentially fatal auto-inflammatory disease.

For related news click on [NOVN.VX]

EFG (EFGN.S)

EFG International AG(EFGN.S) could imagine going private, its chief executive was quoted as saying on Wednesday.

For related news, click on [EFGN.S]

UBS (UBSN.VX)

UBS AG plans to reform its pay structure by hiking fixed salaries and matching bonuses to sustainable performance, but won't implement the changes until key units return to profit, an internal memo said.

For related news click on [UBSN.VX]