Retailer, which also owns Funky Pigeon, says economic pressure has hit shoppers’ confidence

Card Factory has delivered an unwelcome early Christmas surprise for investors by issuing a shock profit warning during the greetings card retailer’s peak trading period, which sent shares plunging by more than a fifth.

The retailer, which also owns the online card and gift brand Funky Pigeon, said economic pressure on shoppers has hit confidence in its most important trading period of the year.