TAIPEI — Taiwan said on Monday that 11 Chinese firms are being investigated for alleged illegal poaching of semiconductor and other high tech talent, stepping up efforts to curb technology outflows amid rising geopolitical tensions with Beijing. More than 185 agents searched 49 locations and questioned 90 people this month in a coordinated investigation targeting Chinese firms suspected of recruiting Taiwanese engineers in Taiwan without approval, Taiwan’s Investigation Bureau said.It said Chinese companies under investigation disguised their ownership by setting up operations in Taiwan under the names of foreign-funded shell firms, or by establishing offices without authorization, to recruit talent...