Fifth Third payment processing spin-out Vantiv is valued at $4.2bn, three years after private equity firm Advent International bought a majority stake.

Vantiv, a payment processing spin out from US bank Fifth Third, has made 19.1% gains on the public markets since it floated on Thursday.

Vantiv shares were trading at $20.25 per share at yesterday’s close compared to their initial public offering price of $17 per share.

The company raised $500m on the New York Stock Exchange, under the symbol VNTV.

The flotation was advised by banks JP Morgan, Morgan Stanley, Credit Suisse, Goldman Sachs, Deutsche Bank, Citigroup, UBS, Jefferies, Raymond…