OPG burned by coal prices
Indian power supplier OPG Power Ventures (OPG:AIM) has come a cropper as volatile coal prices continue to wreak havoc. The AIM-listed £111m company saw its share price slammed 28% lower after management admitted that expectations for the year to 31 March 2018 will be 'impacted by coal prices being significantly higher than consensus expectations.''The gross margin for the current year is now anti