BUZZ-UK retailers: 'Black Friday' bargain bonanza

** Strong gains from UK retailers as "Black Friday" shoppingfrenzy imported from U.S. takes hold both in store & online

** Police called to cope with surging crowds & fights oversharply discounted goods as UK retailers fully embrace "BlackFriday" promotions for 1st time

** Number of retailers' websites crashed due to soaringdemand on likely busiest day of online shopping of yr http://ind.pn/15Gr5PS

** Online white goods retailer AO World enjoys one ofbest gains since listing in Feb, up 8 pct & topping FTSE 250leader board, with Home Retail up 2.2 pct

** Kingfisher top FTSE 100 riser, up 2.8pct, Sports Direct 2.3 pct higher & Marks & Spencer up 1.3 pct

** Thin trade exaggerates moves after US Thanksgivingholiday on Thurs & Wall St set to close three hours earlier onFri; FTSE 100 volume just 40 pct of normal day's avg

** Surge in spend said to make it the day retailers finallyshow a profit for yr, or go "into the black" (RM: tricia.wright1.thomsonreuters.com@reuters.net)