HONG KONG: A sell-off in tech firms dragged Asian markets down on Thursday (Aug 29) after investors were left disappointed by earnings from chip titan Nvidia that stoked concerns about the outlook for all things artificial intelligence. While the report beat expectations in many areas, it took the wind out of the sails for traders, who had been enjoying a run-up on the prospect of US interest rates coming down from next month. Investors had been keenly awaiting the release from California-based