The Specialty Chemicals Market Volume Index, a tool created by the American Chemistry Council (ACC) fell at the end of the 4th quarter, slipping back 0.1% on a three-month moving average (3MMA) basis in December after a 0.7% decline in November and a generally weak first half of the year. Weakness in 2015 was centered in oilfield chemicals and a few other segments that combined weighed on overall volumes. Although there was weakness beyond oil chemicals during December, market volumes excludi...