ritain's biggest retailer Tesco is losing out to discount alternatives, with its market share dropping below 30% for the first time since 2005.
A new survey by Kantar Worldpanel has found that sales growth at Tesco has slowed to just half that of the broader grocery market as rival supermarkets take over.
Tesco issued a shock profit warning on January 12 following its worst Christmas for decades.
Sales growth at Tesco slowed to 2.1% in the 12 weeks to January 22, from 3.3% in the 12 weeks to December 25. This compared to an overall increase in UK grocery sales of 4.2%, according to the survey published on Tuesday.
Tesco's market share now stands at 29.9%, its lowest level for seven years.
German discount retailer Aldi gained most of the market share lost by Tesco, with a 19.7% rise in sales in the 12 weeks to January 22. Its market share now stands at 3.5%.

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