Smart-speaker company Sonos files to go public (SONO)

Sonos, a high-end speaker company, filed paperwork to go public on Friday.
The initial-public-offering filing comes roughly three months after Spotify's direct listing. 
Sonos estimates its customers listen to 70 hours of content per month — and says its devices have been registered in 7 million homes. 
It also warned it could be forced to raise prices if Trump's trade war escalates. 
Sonos, a maker of smart speakers, filed regulatory paperwork on Friday for an initial publi