Gucci sales plunged as shoppers turned away from Kering SA’s largest brand that’s undergoing a second design revamp in three years.Revenue at the Italian label dropped 25% in the second quarter on a comparable basis,

Kering, the owner of Gucci, on Tuesday reported lower second-quarter financial returns than what was expected, pointing to "uncertain" global factors.

Kering , the French group that owns fashion labels Gucci and Saint Laurent, reported on Tuesday a 15% drop in quarterly revenues, falling short of market expectations as the luxury sector grapples with a prolonged slump.