Shares in the firm behind the highly-addictive children's song rose by more than 9% in their stock market debut.
Pinkfong was founded in 2010 as SmartStudy, and was a firm that made digital content for children up to 12 years of age.
Tyler Nolan on MSN
The fight to save a baby shark while clearing heaps of plastic
This video follows the urgent rescue of a baby shark discovered struggling in polluted waters. Viewers see the moment ...
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