Achtung Aldi -- Britain’s supermarkets are fighting back.

After years of losing shoppers to Aldi and fellow German discounter Lidl, chains from Tesco Plc to Wm Morrison Supermarkets Plc are regaining their feet. The biggest surprise came from market leader Tesco, which reported its first sales increase in more than four years. Meanwhile, a 0.5 percentage point rise in Aldi’s market share over Christmas was the budget retailer’s smallest gain since 2012, according to Sanford C. Bernstein analyst Bruno Monteyne.

“Folks still stuck with their tried and trusted superstore to supply the festive treats and necessities,” Clive Black, an analyst at Shore Capital, said in a note.

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