2013 horse meat scandal negative for horse DNA. products were tested but were negative for all foreign DNA. Of the 37% of beef products tested positive for horse DNA, Tesco's inexpensive Everyday Value Beef Burgers tested at 29.1%. All other reported brands had less than 0.3% horse DNA. These products originated from Liffey Meats and Silvercrest Foods in Ireland and Dalepak Hambleton food processing plant in the United Kingdom. Trace amounts of horse DNA were also found in raw ingredients imported from Spain and the Netherlands. Laboratory DNA investigations were requested by the authorities into possible donkey meat adulteration of minced meat products labelled
Tesco books, clothing, electronics, furniture, toys, petrol, software, financial services, telecoms, and internet services. In the 1990s Tesco repositioned itself from being a down-market high-volume low-cost retailer, to one designed to attract a range of social groups by offering products ranging from low-cost "Tesco Value" items (launched 1993) to its "Tesco Finest" range. This broadening of its appeal was successful and saw the chain grow from 500 shops in the mid-1990s to 2,500 shops fifteen years later. Tesco is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index. It had a market capitalization of approximately