July 21 (Reuters) - Shares of Brazil’s VTEX rose 32% in their New York Stock Exchange debut on Wednesday, fetching the SoftBank Group-backed digital commerce company a valuation of $4.7 billion. The stock opened at $25.10, up from the initial public offering price of $19 per share. Reporting by Niket Nishant and Noor Zainab Hussain in Bengaluru; Editing by Aditya Soni