UK Stocks-Factors to watch on March 6

March 6 (Reuters) - Britain's FTSE 100 index is seen opening up 34 points on Tuesday, according to financial bookmakers. * BREXIT-FINANCIALS: British Prime Minister Theresa May said on Monday that she wanted financial services to be part of a deal on the country's new relationship with the European Union after Brexit, echoing comments she made in a speech last week. * OIL: Oil prices rose on Tuesday for a third straight session, underpinned by robust demand forecasts and as min