UK Stocks-Factors to watch on March 19

Britain's FTSE 100 is seen opening 9 points lower at 7,290 on Tuesday, according to financial bookmakers. * SAINSBURY: Sainsbury's and Walmart's Asda will provide a more specific commitment to cut prices in response to a negative provisional view by Britain's competition watchdog of their proposed tie-up, the Financial Times reported on Monday. * EASYJET: British budget airline easyJet pulled out of talks to rescue Alitalia on Monday, leaving the Italian carrier'