Oil has been getting crushed over the past several months, and the major driver behind the fall in prices is the worldwide oversupply of the natural resource.The Russians, and OPEC continue to pump out the black gold at the same levels when oil was around $100 per barrel.Further, with the Iranian sanctions lifted, more crude is being pumped and added to the massive world inventory.But all this crude oil needs to be shipped to be refined and sent to different ports, and that is where DHT Holdings (DHT – Snapshot Report), the Zacks Bull of the Day, comes into the picture.