Pinkfong was founded in 2010 as SmartStudy, and was a firm that made digital content for children up to 12 years of age.

Shares in the firm behind the highly-addictive children's song rose by more than 9% in their stock market debut.

Seven years after posting “Baby Shark Dance” on YouTube, Kim Min-seok, CEO and cofounder of the Korean company behind the viral video, looks to expand and replicate its success in digital comics ...