Flywire Corp. is set to go public Wednesday, after the Boston-based payments enablement and software company’s upsized initial public offering priced at the top of the expected range. The company said late Tuesday that it sold 10.44 million shares in the IPO, which priced at $24, to raise $250.6 million, and to be valued at about $2.40 billion. Last week, the company had expected to offer 8.70 million shares to be priced between $22 and $24 a share. The stock is expected to start trading Wednesday on the Nasdaq under the ticker symbol “FLYW.” The company is going public at a time that the Renaissance IPO ETF has lost 10.9% over the past three months while the S&P 500 has gained 9.9%.

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