About a half hour after polls closed in six states, futures on the S&P 500 were up almost half a percentage point, 10-year Treasury yields rose and Bitcoin rallied, moves that together bore the imprint of trades linked to a Donald Trump victory. While results were still being collected and polls remained open in the vast majority of states, the ex-president’s odds of election were climbing on betting markets and on national forecasting sites such as Decision Desk HQ.