Stock markets in Europe and Asia took a tumble on Thursday as jitters over the future artificial intelligence-driven growth of major tech companies sparked a global sell-off. The main losers were AI-related companies, including Nvidia, Tesla and the Google-owner Alphabet, whose shares had soared in recent months. Business Economist Sanchit Mukherji joins Parmeshwar Bawa to find out what spooked the markets and whether this trend is here to stay.