LONDON, May 6 (Reuters) - Britain's FTSE 100 index is seen opening 5 to 7 points higher, or as much as 0.12 percent, on Tuesday, according to financial bookmakers. For more on the factors affecting European stocks, please click on
* The UK market was closed on Monday for a holiday. The blue-chip index ended 13.55 points higher, or 0.2 percent, at 6,822.42 points on Friday, its highest close since March 4.
* Brent crude held steady below $108 per barrel on Tuesday as clashes across Ukraine added to geopolitical risk supporting a market that might otherwise sag due to expectations weekly data will show higher inventories in the United States.
* Pfizer Inc reported quarterly revenue well below Wall Street expectations on falling sales of key brands and generic drugs, underscoring its interest in pursuing a $106 billion bid for rival AstraZeneca to promote new business growth.
* London copper edged lower on Tuesday in thin trading as markets reopened after a long holiday weekend, while dwindling nickel supplies after Indonesia's ban of ore exports pushed that metal to its loftiest in more than a week on the LME.
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