BUZZ-Glencore: Recovering from yuan battering
** Miner Glencore's shares up as much as 4 pct after reporting growth in H1 copper production form its African mines, helping offset slight dip in total copper output
** Co reported increase in Q2 production for zinc, nickel and ferrochrome
** Co cuts FY capex to a maximum of $6 bln, down from $6.5-$6.8 bln expected earlier
** Stock among top FTSE 100 gainers, coming off two days of losses and attempting recovery of multi-year lows
** Nearly 20 pct of a full day's avg volume traded in first 20 minutes
** UK miners limping up after two straight sessions of losses, hurt by yuan devaluation
** BHP Billiton (NYSE: BBL - news) up as much as 3.8 pct, with 16 pct of its daily volume traded in first half hour (abhiram.nandakumar.thomsonreuters.com@reuters.net)