Baystreet Staff - Thursday, March 23, 2017 Orion Engineered Carbons (OEC) Plummets on New Offering Orion Engineered Carbons SA (NYSE: OEC) shares fell 10% to $19.00, as the company reported a five-million-share common stock secondary offering. Share volume totaled one million, towering over an all-day average of 99,000