MILAN (Reuters) – Sales at Italian luxury group Salvatore Ferragamo rose by 31.4% last year, in line with market expectations, although they are still far below pre-pandemic levels. The leather goods maker said on Tuesday 2021 revenues totalled 1.136 billion euros ($1.27 billion), compared with a Refintiv consensus of 1.135 billion euros. In the fourth quarter sales grew by 23.5% at constant exchange rates, thanks to the strong contribution of North America and of the digital channel. Most luxury groups have already reached, if not exceeded, pre-COVID levels, showing the challenge facing Ferra…