06 Jan 2017 --- Constellation Brands has reported that its earnings per share were up 38 percent to $1.96 while sales were up ten percent to $1.81bn in the quarter, swelled by the performance of its Mexican beer brands. However, its shares tumbled 7.13 percent to $146.75 today following the results announcement. The share price fall comes amid fears that new US president Donald Trump could raise the cost of Constellation Brands Mexican beer imports by imposing protectionist measures.