Medical Device Maker Alamar Bio Jumps 29% After Upsized IPO

Alamar Biosciences Inc. shares climbed 29% on Friday after the medical device maker raised $191 million in an upsized US initial public offering that priced at the top of a marketed range.

Shares of the company, which makes medical devices that detect protein biomarkers to diagnose diseases, closed at $22 each in New York, versus an IPO price of $17. The firm sold 11.25 million shares on Thursday, up from the initially planned 9.38 million shares marketed at $15 to $17.