Ambiq Micro Inc.’s stock is popping in its first trading day on the New York Stock Exchange. Shares opened Wednesday afternoon at $38, well above their initial-public-offering price of $24. Ambiq’s stock was changing hands just above $40 at recent check,

Ambiq Micro (NYSE:AMBQ) shares more than 60% on its first day of trading on the NYSE after its IPO raised $96 million by selling 4 million shares. The stock price clos

Ambiq originally planned to sell 3 million shares for $22 to $25 apiece, which would have added up to $85 million at the top of the range. The chipmaker instead sold 4 million shares for $24 apiece. Austin-based Ambiq sells processors for battery-powered devices such as wearables and TV remotes.