Snap sinks below $5 for the first time (SNAP)

Snap shares slumped below $5 for the first time on Thursday.
They are down more than 70% below their $17 initial-public-offering price.
Watch Snap trade live.
Snap shares briefly dropped below the $5 mark for the first time Thursday as a difficult year for investors in the social-media company got even worse. The stock has slumped more than 65% year-to-date and is down more than 70% since going public at $17 in March 2017. It's currently trading at $5.06 a share, as of 2:26 p.m. ET.
The year act