Sumo Logic’s Trading Debut Rise Adds to Software’s Strong Week

Ramin Sayar, president and chief executive officer at Sumo Logic Inc., reacts during the IPO in Redwood City, Calif., on Sept. 17. 

Photographer: David Paul Morris/Bloomberg
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Sumo Logic Inc. climbed 22% on its first day as a public company after a $326 million initial public offering, following even stronger trading debuts this week by two other cloud-based software makers.

Snowflake Inc. gained 112% in its first day of trading while JFrog Ltd. rose 47%, the best performances so far for the 18 IPOs that have priced this week. Unity Software Inc., a developer of software used to design video games, is seeking to raise as much as $1.2 billion in its listing set to price Thursday.