Snap shares plummeted 25 percent after the owner of photo messaging app Snapchat said privacy changes implemented by Apple on iOS devices hurt the company's ability to target and measure its digital advertising.

source https://gadgets.ndtv.com/apps/news/snap-share-plunge-25-percent-apple-privacy-policy-change-ads-advertising-facebook-twitter-alphabet-2583962#rss-gadgets-all