Less than 10 years after dropping out of New York University and then starting what would become the prediction market Polymarket in the bathroom of his Lower East Side apartment, Shayne Coplan has been crowned the youngest ever self-made billionaire by capitalizing on Gen Z’s readiness to bet on anything.On Tuesday, the New York Stock Exchange’s parent company, Intercontinental Exchange, invested $2 billion cash in Polymarket, skyrocketing the company’s valuation to$9 billion post investment and making CE ...