Shares of Gemini (GEMI), the crypto exchange founded by billionaire twins Cameron and Tyler Winklevoss, were trading under their IPO price of $28 on Thursday, changing hands at about$25.15. That marked a 2.5% gain on the day after the stock recouped earlier losses. The shares first broke below the IPO price on Wednesday. Gemini went public last week at $28 a share, valuing the company at more than$3 billion. The stock opened above the IPO price, at $37.01, and closed 14$4 ...