Futures tick up ahead of U.S. election results

U.S. stock index futures rose on Tuesday to begin the overnight session, which will see trading through the preliminary results of the U.S. presidential election. Stock indexes rose for a second straight session earlier, as investors bet Democratic candidate Hillary Clinton would be elected to succeed Barack Obama. Wall Street sees the former secretary of state as a status quo candidate lending stability to the markets, while Republican candidate Donald Trump's stances on foreign policy, trade a