By Rupert Hargreaves Glencore has reported a drop in profit and reduced shareholder returns following the “normalisation of international energy flows.” The firm’s full-year 2023 figures showed the group reported earnings before interest, taxes, depreciation, and amortisation (EBITDA) of $17.1bn in 2023, down by around half compared to a year ago. The group’s mining and production business recorded a 52 per cent drop in EBITDA to $13.2bn (£10.5bn) mainly thanks to lower earnings from coal production. Meanwhile, Glencore’s marketing and trading business reported a 46 per cent drop in earnings b…