By Guy Taylor In a quiet week for economic announcements, London markets are expecting updates from Kingfisher, Fevertree, Ocado and Carnival. KingfisherKingfisher, which owns B&Q, has been battered by cost-of-living headwinds and a turbulent housing market. The firm cut its full-year pre-tax profit forecast to £560m in November as it forecast tough conditions through the winter. Investors will be looking for an increase in the retailer’s e-commerce activity, which has been seen as a “potential saviour” for sales going forward, according to Hargreaves Lansdown’s Susannah Streeter. She added: “…