The dollar index (DXY00) on Tuesday fell by -0.43% and posted a 2-1/2 week low. Long liquidation weighed on the dollar ahead of the results of Tuesday’s US presidential election, which is too close to call. Also, Tuesday’s US Sep trade deficit was wider than expected, a negative factor for Q3 GDP and the dollar. The dollar garnered some support from Tuesday’s news that showed the US Oct ISM services index unexpectedly rose to a 2-1/4 year high. The US Sep trade deficit was -$84.4 billion, wider than expectations of -$84.0 billion and the largest deficit in nearly 2-1/2 years, a negative factor…