Insulation specialist Kingspan was up 2.8 per cent, largely in line with the sector. Global shares edged higher on Tuesday ahead of an expected rate hike by the Federal Reserve and results from some of Silicon Valley’s biggest companies. Dublin Euronext Dublin outperformed its European peers as it climbed 0.6 per cent on the back of some good performances from its heavy-hitters. Insulation specialist Kingspan was up 2.8 per cent, largely in line with the sector. The company was trading just below €72, which a trader described as “a significant level”, pointing out the group has enjoyed a “fairly massive…