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Shares of Gemini Space Station

soared more than 40% on Thursday after the exchange operator raised $425 million in an initial public offering.

The stock opened at $37.01 on the Nasdaq after its IPO priced at $28. At one point, shares traded as high as $40.71.

The New York-based company priced its IPO late Thursday above this week’s expected range of $24 to $26, and an initial range of between $17 and $19. That valued the company at some $3.3 billion before trading began.