Miami International Holdings, also known as financial markets exchange MIAX, raised over $345 million in its IPO Wall Street debut. Shares, which priced at $23, rose over 33% on the first day of trading and are listed on the New York Stock Exchange under the ticker MIAX.CEO Thomas Gallagher led his team in ringing the opening bell on the NYSE floor Thursday. JETBLUE ADDS NEW AND OLD FLORIDA ROUTESSOCIAL SECURITY UPDATES COST-OF-LIVING ESTIMATES"We are a technology-driven leader in building and operating regulated financial marketplaces across multiple asset classes and geographies. Our MIAX Ex...

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