Tuniu, a China-based online travel agency backed by e-commerce company Rakuten, has raised $72m in an initial public offering on Nasdaq and gained more than $1m in value on its first day of trading.

The company offered 8 million shares priced at $9 each, granting underwriters the option to purchase an additional 1.2 million shares within 30 days.

Founded in 2007, Tuniu was one of the first businesses to sell packaged holidays online to Chinese consumers. The company had originally…