Global Ferronickel Holdings Inc.’s bottom line plunged by 40.8 percent after the group took a blow from lower nickel ore prices in the first half. In a disclosure Friday, the company said its net income attributable to equity holders of the parent company dropped to P207.1 million in the January to June period from P349.5 million a year ago. Total revenues in the period also dipped to P3.07 billion from P3.11 billion in the first semester la...