As readers here will know all too well, energy markets are notoriously volatile. The commodities that underlie them and therefore the stocks in the sector are subject to multiple influences such as the geopolitics of the Middle East, the prospects for global growth, and the conflict between declining sentiment around fossil fuels but increasing demand for them as energy needs explode. None of those things is exactly stable, so investing in the energy sector has become something not for those faint of heart. It could well be, though, that the approaching…