Oil prices edge higher with Wall Street as the U.S. votes

By Scott DiSavino NEW YORK (Reuters) - Oil prices edged higher on Tuesday after trading either side of unchanged all morning, keeping crude in line with a small increase in U.S. stock markets as voters headed to the polls to elect the next president of the United States. The most recent polls have put Democrat Hillary Clinton ahead of Republican rival Donald Trump in Tuesday's election. Most investors believe a Clinton victory would result in greater certainty and stability in financial markets.