Supermarket now controls 28.5% of grocery market, with sales at UK stores up 4% in six weeks to 4 January

Tesco has recorded its “biggest ever Christmas”, with the UK’s largest supermarket chain landing its biggest share of the festive shopping trolley since 2016.

Sales at established UK stores rose 4% in the six weeks to 4 January, with fresh food performing particularly strongly and clothing and homeware sales also up.