U.S. election fever keeps global stocks, dollar subdued

By Marc Jones and Jamie McGeever LONDON (Reuters) - Stocks and the dollar were little changed on Tuesday as global investors trod carefully, readying for the outcome of one of the most contentious U.S. presidential elections in history. Trade was largely driven by cautious expectations of a win for Democrat Hillary Clinton, but some sharp swings in recent days across all asset classes meant big bets were relatively thin on the ground as Americans started voting. Wall Street's S&P 500, Dow Jo