News John Lewis weekly sales rise 8.9% | M&S launches TV app with Samsung | ACS publishes retailers' guide to tobacco display ban | Hamleys reports strong festive trading | Halfords launches new campaign to promote cycling offer | Barbour launches Google campaign to crack down on illegal counterfeits | Boohoo.com owner reports 80% rise in profit | Retail Bulletin Multi-channel Summit 2012 | Carrefour appoints Georges Plassat as new CEO | GAME Group agrees new finance deal | Waitrose reports increase in veal sales following BBC TV programme | December flurry knocks the stuffing out of shoppers in January | Sunday News Roundup | Comment: How retailers can ensure the price is right | Research identifies top ten good practices for multi-channel retailers | 350 jobs to be created through new Little Waitrose branches | Nicole Vanderbilt to leave MyDeco | French Connection warns on profit | Co-operative Group to recruit 800 apprentices | Marks & Spencer to provide online shoppers with product recommendations |