Jefferies On HPCL Underperform Call, Target Rs 315 Q1 Showed Weak Set Of Numbers With EBITDA Down 56% QoQ But Was 21% Ahead Of Est EBITDA Came Higher Than Est On Higher Marketing Inventory Gains While Refining Was Weaker Co Remains Vulnerable With No Change To Retail Prices Post Elections Refining Margin Should Remain Rangebound,