Snap stock plummets 30 percent

Californian tech company Snap issued a profit warning in its quarterly report. After the provider of the instant messaging service Snapchat promised growth of 20 to 25 percent last year, advertising revenue has fallen rapidly. The stock has collapsed and more and more investors are turning away. In his current assessment from the stock exchange floor, wirtschaft tv exchange correspondent Mick Knauff explains what challenges advertising-financed companies are currently facing and what effects Snap’s profit warning could have on the market environment.