That has continued this year, with Internet companies such as Yelp Inc. going public, while enterprise-technology companies such as Splunk Inc. also staged strong IPOs.

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While consumer Internet IPOs such as Facebook, Zynga and Groupon faltered last year, enterprise companies such as Workday, Splunk, Palo Alto Networks and ServiceNow had strong post-IPO performances.

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But enterprise software companies have been an IPO bright spot, with Splunk, ServiceNow, Palo Alto Networks and others performing relatively well.

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