ICICI Securities Ltd | Retail Equity Research Hindustan Zinc (HZL) reported a broadly in line performance for Q3FY17 wherein the topline was marginally higher than our estimates while PAT came in broadly in line with our estimate The company reported a gross operating income of | 5384.0 crore. After adjusting for excise duty, net operating income for the quarter was at | 4979.9 crore (up 45.2% YoY, 41.2% QoQ, marginally higher than our estimate of | 4852.8 crore). Zinc sales volume for the quarter...