UPDATE 1-Mexico's Alfa reports sharp drop in first-quarter profit
April 15, 2014 at 16:44 PM EDT
MEXICO CITY, April 15 (Reuters) - Mexican conglomerate Alfa said on Tuesday its first-quarter profit fell 35 percent, hurt by lower margins and an inventory charge at its Alpek petrochemicals unit as the value of raw materials for its polyester businesses fell sharply.