UPDATE 1-UK Stocks-Factors to watch on May 21
(Adds futures, company news)
LONDON May 21 (Reuters) - Britain's FTSE 100 index is seen steadying on Wednesday, with the June futures contract flat at 0640 GMT. For more on the factors affecting European stocks, please click on
* The UK blue chip index closed down by 42.55 points, or 0.6 percent, at 6,802.00 points on Tuesday, pressured by sell-offs in mobile operator Vodafone and retailer Marks & Spencer after disappointing forecasts from both companies.
* Bank of England minutes released on Wednesday will be scrutinised for any evidence of dissent on the decision to keep rates unchanged at this month's meeting.
* Stocks trading ex-dividend, namely Carnival, Compass, HSBC and Intertek will knock up to 5.42 points off the index on Wednesday.