UPDATE 2-UK Stocks-Factors to watch on Wednesday Dec 2
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LONDON Dec 2 (Reuters) - Britain's FTSE 100 index is seen opening up 21 points, or 0.3 percent higher on Wednesday, according to financial bookmakers, with futures up 0.4 percent ahead of the cash market open. For more on the factors affecting European stocks, please click on
* The FTSE 100 closed up 0.6 percent at 6,395.65 by the close, boosted by the banking sector after it passed Bank of England stress tests.
* BHP BILLITON - Brazil's Vale SA said November's deadly mining disaster at the Samarco joint venture with BHP Billiton could cost it at least $443 million, but it was too early to put a price tag on what it expects to be a long clean-up from the pollution caused by the dam burst.
* ZOOPLA - British property website Zoopla said the numbers of agents on its books continued to rise in recent months as it posted slightly higher-than-expected full-year earnings.