MILAN (Reuters) – Sales at Italian fashion company Zegna rose by 27% to 1.29 billion euros ($1.45 billion) last year, the group which recently listed on Wall Street said on Tuesday, forecasting revenue growth in the low-teens for this year. The rise in sales was driven by a strong performance in the United States, where revenues increased by 53% on a year earlier. Zegna listed in New York in December after a merger with Investindustrial Acquisition Corp, a special purpose acquisition company (SPAC) sponsored by private equity firm Investindustrial and chaired by former UBS chief executive Serg…