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‘Biofacturing’ Firm Zymergen Raises $500 Million in Expanded IPO

Zymergen Inc., which uses biological processes to manufacture chemicals, raised $500 million in an upsized initial public offering priced at the top of a marketed range.

The company sold 16.13 million shares Wednesday for $31 each, according to a statement. It had marketed 13.6 million shares for $28 to $31.