Technology stocks across China, South Korea and Japan have taken a beating as risk-off sentiment sweeps markets, with the escalating US-Iran war sending shock waves through global energy and logistics networks.Hong Kong and Chinese tech stocks have been affected to a lesser degree than their Korean and Japanese peers because of the different levels of exposure to energy and shipping disruptions caused by the Middle East turmoil, analysts said.In Seoul, the Kospi index sank over 12 per cent on...