Stocks making the biggest moves midday: Shopify, Honeywell, GE Vernova, Twilio and more - Twilio's Authy App Breach Exposes Millions of Phone Numbers - Twilio hack leaves Authy users exposed to text-messaging scams - Twilio says hackers identified cell phone numbers of two-factor app Authy users - Stocks making the biggest moves after hours: Reddit, Lyft, Rivian, Twilio and more - Sachem Head's Andy Stafman joins Twilio's board. Here's how he may help grow margins - With Twilio under activist pressure, Segment could be put up for sale - Stocks making the biggest moves midday: Cisco Systems, Twilio, Super Micro Computer and more - Stocks making the biggest moves after the bell: Cisco, Twilio, Tripadvisor and more - MessageBird rebrands as Bird, and slashes prices by 90% on SMS to take on Twilio