Markets rebound after tech rout triggered by Democrats’ sweeping victory in US midterm elections. Asian stock markets have rebounded after last week’s tech rout triggered by the Democratic Party’s sweeping victory in the US midterm elections. Key indexes in Japan, South Korea, Taiwan and Hong Kong made substantial gains on Monday, following a rebound on Wall Street on Friday. In Tokyo, the benchmark Nikkei 225 was up 3.45 percent as of 04:00 GMT.