Shares of StubHub rose about 8 per cent in their New York Stock Exchange debut on Wednesday, but closed the day below their issue price as investors welcomed the ticket reseller marketplace with caution. The New York-based company's shares opened at $25.35 per share, compared with the offer price of $23.5, valuing the ticket reseller marketplace at $9.32 billion at first trade. However, the shares reversed course in a volatile trading session to close 6.4 per cent below the IPO price at $22.