Massive investments in AI have driven the dominance of tech companies in US stock markets, but experts warn valuations may be outpacing the technology’s actual capabilities. Al Jazeera’s Rosie Birchard put the question to a humanoid robot at the Web Summit in Lisbon. Subscribe to our channel: http://bit.ly/AJSubscribe Follow us on X : https://twitter.com/AJEnglish Find us on Facebook: https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/ Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/ Download AJE Mobile App: https://aje.news/AJEMobile