Mexico's peso hit a new record low on Wednesday, falling more than 1.5 percent amid ongoing uncertainty over U.S. President-elect Donald Trump's eventual policies and in anticipation of an address by the Mexican president. The peso MXN= MXN=D2 dropped as low as 21.4750 per dollar, after pushing past the previous low of 21.395 per greenback set on Nov. 11, soon after Trump's surprise Nov. 8 election victory. It later pared losses slightly. On Tues…