Monday August 20 Interims: NMC Health, TBC Bank Tuesday August 21 Final: BHP Billiton Interims: John Wood Group, Persimmon, Charter Court Financial Services, Energean Oil & Gas Wednesday August 22 Interims: Grafton Group, Polymetal, HP Thursday August 23 Interims: Premier Oil, OneSavings Bank, John Laing Group, Playtech, CRH, Phoenix Group, Gap, Dollar Tree, Broadcom...