A senior executive of Italian fashion house Valentino on Tuesday revealed a 30 per cent surge in same-store sales since the turn of the year but remained tight-lipped over its possible sale to Italian textiles group Marzotto Speaking during the label's fashion show in Paris, Valentino managing director Fabio Giombini said: "Same-store sales are up 30 per cent in the first two months of the year. We are optimistic in terms of the future of the Valentino business. The market is improving, even in the US."