BTS (band)
In the beginning of 2019 it was reported they have a combined net worth of over US$60 million. When their partnership with Mattel was announced in 2019, the company's stocks raised more than 8% within a day.
Viatel
Viatel was founded in 1991 by Martin Varsavsky. In 1994, it went public on the Nasdaq stock exchange. Four years later, Varsavsky sold his stake in Viatel for US$200 million and left the company.