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Pinkfong Co. priced its initial public offering at the top of its marketed range, raising 76 billion won ($53 million) for the South Korean company behind the “Baby Shark” jingle, the most-watched YouTube video of all time. The Seoul-based company sold 2 million shares at 38,000 won each, after offering shares in a 32,000-38,000 per share range, according to a regulatory filing on Wednesday. That values the education-and-entertainment firm at 545 billion won, according to Bloomberg calculations. The stock will make its debut on Nov. 18 on South Korea’s small-cap Kosdaq market.