One of the largest rig services companies in the world, Diamond Offshore Drilling, said Monday it lost $256 million during the first quarter of the year. Crude oil is trading in a bear market, forcing most major energy companies to spend less on exploration and production. That’s led to major profit losses for rig services companies ranging from Schlumberger to Halliburton. Diamond said Monday its net loss of $256 million for the first quarter compared to a net income of $146 million year-on-year. Three of its rigs are to be retired and scrapped. “We have continued to implement cost savings measures while maintaining our focus on safe operations […]