UK Stocks-Factors to watch on June 7

June 7 (Reuters) - Britain's FTSE 100 index is seen opening up 22 points at 7,735 on Thursday, according to financial bookmakers. * APPLE-UK: Apple warned on Wednesday in a company filing that its UK business may be hit by restrictions on imports and exports as a result of Brexit negotiations, The Telegraph reports. http://bit.ly/2JgdMy9 * DAILY MAIL: The editor of Britain's Daily Mail tabloid Paul Dacre will stand down after 26 years in November to become chairman and editor-