UK Stocks-Factors to watch on Wednesday May 6
(Adds futures, company news)
LONDON May 6 (Reuters) - Britain's FTSE 100 index is seen opening up 28 to 32 points, or 0.5 percent higher on Wednesday, according to financial bookmakers, although futures were down 0.2 percent at 0628 GMT. For more on the factors affecting European stocks, please click on
* The blue-chip FTSE 100 index gave up initial gains to finish 0.8 percent weaker at 6,927.58 points on Tuesday, dragged down by a fall in HSBC .
* UK ELECTION - Campaigning in Britain's most unpredictable election in a generation enters its final day on Wednesday with the two main parties level in most polls, including a new YouGov poll overnight, and neither on track to command a majority in the parliament of the world's fifth largest economy.
* RETAIL - A sharp decline in British shop prices eased slightly last month, according to survey that suggests Britons' spending power is continuing to improve, a day before a closely fought national election.