Shares in Tesco opened nearly 2% higher following the sales update.
Chief executive Philip Clarke said: "Our customers are seeing the evidence of the changes we're making and they're telling us they like what they see."
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A band of heavy, thundery showers continues to move northwards through this evening, dying away overnight.
The Duke of Cambridge also laid a wreath to honour the victims before kick-off.
The mother of one of the Manchester attack victims has told of the distressing moment she found her daughter being treated after the attack.