BUZZ-UK Mining cos: Soft Chinese PMIs deliver another blow
** Shares in London-listed mining cos among top FTSE 100 fallers before paring losses after weak Chinese PMI data
** Official Purchasing Managers' Index (PMI) fell to 3-yr low of 49.7 in August
** Global miners Glencore, BHP Billiton, Anglo American, and Rio Tinto down 0.7-2 pct
** Decent volumes on all stocks, with more than 10 pct of BHP's, Rio's, and Glencore's 30-day avg volumes going through in the first 20 minutes of trade
** Miners have borne the brunt of slowing Chinese growth (email@example.com)
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