Avalyn Pharma (AVLN), a clinical-stage drugmaker, said late Wednesday it has priced its upsized initial public offering of about 16.7 million shares at $18.00 apiece, targeting gross proceeds of about $300 million.

Shares soared in their trading debut on Nasdaq, up over 50% at about $27.44 in afternoon trading, with intraday trading volume of over 3.65 million.

Everspin Technologies (MRAM) reported Thursday an agreement with a US prime contractor to provide Toggle MRAM process technology and engineering services for United States Defense Industrial Base customers. The agreement is valued at $40.0 million and will run over two-and-a-half years.

Shares surged 37% as intraday trading volume soared to over 12.6 million from a daily average of about 533,000.

Viavi Solutions (VIAV) jumped 15% after its fiscal Q3 results and fiscal Q4 guidance exceeded market expectations.

More than 15.1 million shares traded intraday, compared with a daily average of about 5.87 million.

Price: 27.00, Change: +9.00, Percent Change: +50.00