Sonos surges 8% in its trading debut

Sonos opened for trading at $16 on Thursday, gaining more than 8%. 
It had priced its initial public offering at $15, below the expected range of $17 to $19. 
Sonos' IPO comes as the California-based company seeks to build market share in the voice assistant-enabled smart speaker market.
Sonos shares opened for trading at $16 apiece on Thursday, gaining more than 8% during the trading debut. 
The smart-speaker company had priced its initial public offering at $15 a share on T