LONDON (ShareCast) – (ShareCast News) – Glencore (Xetra: A1JAGV – news) non-executive director John Mack has spent £163,875 on two parcels of shares in the mining giant, which this week reported a first-half earnings slump as commodities prices fell. Mack on Friday bought two 50,000 share parcels at 162.9p and 162.85p respectively.
