The Specialty Chemicals Market Volume Index, a tool created by the American Chemistry Council (ACC), entered the second quarter of 2016 on a quiet note, slipping 0.3% on a three-month moving average basis in April. The trend has been choppy and April’s decline was preceded by revised flat activity in March and a 0.1% drop in February, said the association. Weakness in oilfield chemicals and mining chemicals, among other segments, weighed on overall volumes. Of 28 specialty chemical segment...