Live updates: Follow the latest news on US midterms American stock futures and Asian equities tumbled along with the dollar as early results from the US midterm polls rippled through markets, threatening US President Donald Trump’s agenda as the Democratic party looked poised for a sweep. Futures for the benchmark S&P 500 index slid 1.06 per cent, at 6.30am time, giving up an earlier 0.5 per cent advance, as early election results started rolling on Wednesday.