Cerebras Systems slumped over 18 per cent premarket on Thursday after it missed key estimates despite soaring cloud revenue, raising doubts about the ability of its AI chips to challenge Nvidia. Expectations were high for AI-linked companies including Cerebras and networking equipment maker Cisco, given the strong run-up in shares driven by Big Tech’s ballooning spending, set to cross more than US$740 billion for this year. Here are some details: LOFTY EXPECTATIONS FOR AI INFRASTRUCTURE COMPANIES (Reporting by Joel Jose in Bengaluru; Editing by Sahal Muhammed)