UPDATE 2-UK Stocks-Factors to watch on Dec 9
(Adds company news, updates futures)
Dec 9 (Reuters) - Britain's FTSE 100 index is seen opening up 20 points, or 0.3 percent higher on Wednesday, according to financial bookmakers, with futures also up 0.15 percent ahead of the cash market open. For more on the factors affecting European stocks, please click on
* The blue-chip FTSE 100 index closed down 1.4 percent to 6,135.22 points on Tuesday, marking its biggest drop since February 2009, as a slump in Anglo American shares hit UK-listed miners.
* BT: The pension scheme of telecoms firm BT said it planned to pull an 8.4 billion pound ($12.58 billion) government bond investment mandate from its asset manager Hermes Investment Management, to save costs.
* RIO TINTO: Global miner Rio Tinto plans to boost aluminium production next year by about 10 percent due to productivity improvements, it said on Tuesday, despite a global surplus weighing on prices.
* ASHTEAD: British industrial equipment hire group Ashtead expects full-year results to be ahead of forecasts after posting a 21 percent rise in pretax profit for the first half of its fiscal year.
* SABMILLER: Anheuser-Busch InBev, the world's biggest brewer, faced tough questions on Tuesday from U.S. lawmakers unhappy over its plan to buy SABMiller due to concerns the deal will hurt the fast-growing U.S. craft beer industry.
* SERCO: British outsourcing group Serco has lost a contract to run one of New Zealand's largest prisons following violence and safety lapses at the troubled detention centre. Continuación...