Just after 9.45 am on Wednesday morning, the share price of DCC soared sharply. It jumped from £54.25 (€62.82) to as high as £62.65 during the day, its highest market value since the spring of 2022. Shares closed at £59.50.  News had broken that the major Irish energy distributor was the subject of a potential takeover approach from a US private-equity consortium. By the same time Thursday morning, however, the share price was back down to around £56. A stock exchange notice filed by DCC said it rejected a cash bid from KKR and Energy Capital Partners. The offer of…