The US markets tumbled on Friday with the key indices experiencing a widespread sell-off as investors respond to the latest COVID-19 variant, Omicron. Biotech company Moderna skyrocketed 20.5% on Friday as investors piled into the vaccine-maker?s shares. A spotlight on American Airlines as the airline tanked 8% on Friday as the World Health Organisation deemed the new Omicon COVID-19 variant as a strain of concern. A British startup called Cyberselves have created a robot to send love literally around the world. Users can see through the robot's cameras and control its actions like giving hugs out from anywhere around the world.