Shares in Costain jumped after analysts at both Peel Hunt and Panmure Liberum upgraded their target price for the stock.

The FTSE 100 was up 0.2 per cent after the first hour of trading, having finished on a record high of 8,871.31 on Thursday.

UK house prices dipped in June amid a jump in the number of homes coming to the market. New asking prices fell by 0.3 per ...