Snap shares continue to rise after IPO but analysts remain wary

Shares in Snapchat company opened Thursday at $24 and rose to $27 by Friday, but analysts predict struggles similar to those of Twitter, Groupon and FitbitSnapchat goes public at $29bn and makes co-founders tech billionaires
Shares in Snap Inc, the picture messaging app that went public yesterday with a valuation of $29bn this week, continued to soar on Friday as some analysts warned against “hot air” fuelling the dramatic rise.
Snap priced its initial public offering at $17 a share,