 Persimmon PLC LSE:PSN revenue fell 8 in the first half as Covid-19, Brexit, the war on Ukraine and sustained growth in UK housebuilding disrupted supply chains and increased costs. The housebuilder reported sales of 1.69bn in the the six months ended 30 June as pre-tax profit dropped from 480.1mln in the first six months of 2021 to 439.7mln. 