Speaker maker Sonos goes public, but acknowledges vulnerability

Company shrugs off lacklustre opening trading as stocks surged 33% above its IPO price in its market debutWall Street investors are still hot for music technology – at least that was the message Sonos Inc broadcast this week after its stock SONO surged 33% above its IPO price in its market debut. Shrugging off lacklustre opening trading, the maker of popular, high-end wireless and voice recognition speakers, closed out the day at over $19 a share on Thursday, giving the 16-year-old Califor