Circle Internet Group Inc. increased its IPO share price to $31 per share before its debut on the New York Stock Exchange.Circle sold 34 million shares at $31 each, valuing the company at around $8 billion.Founded in 2013, Circle is known for its popular stablecoin USDC, designed for secure digital transactions.The IPO reflects an improving regulatory environment for cryptocurrencies and stablecoins in the U.S.