Anglo American (AAL LN) – Broad based improvement, led by coal, continues to reduce debt | ARC Minerals* (ARCM LN) – Sale of Andiamo stake for $0.25m | Glencore (GLEN LN) – coal concession not all what it seems. Dalian coal ban will hurt but Glencore traders will profit in other ways | Horizonte Minerals (HZM LN) –Araguaia project update and start of Vermelho pre-feasibility work | Lonmin (LMI LN) – AMCU union give Lonmin notice of secondary strike action | Siban ....