Infrastructure group Costain (LON:COST) promised investors a ‘step change in performance’ in 2027 and beyond. The firm made the announcement alongside its 1H26 results, sending the shares up 5% in the process. Step change in 2027 For the six months to June, Costain posted a 3% increase in revenue to £543 million which it said … Continue reading Costain promises ‘step change in performance’ in 2027