Cloud software developer Ceridian spiked more than 40 percent in its opening day of trading Thursday.
Shares closed nearly 42 percent up at $31.21, after pricing at $22. The jump pushes the company's valuation past $4 billion.
Ceridian listed its $462 million offering on the New York Stock Exchange and Toronto Stock Exchange under the ticker symbol "CDAY."
The company makes human resources technology called Dayforce, cloud-based software to manage payroll and benefits.
Goldman Sachs, J.P. Morgan, Credit Suisse and Deutsche Bank are among the underwriters.