BUZZ-Lonmin: at record low, RBC cuts PT
** Platinum miner Lonmin (LSE: LMI.L - news) 's shares down 4.9 pct to a record low following a price target cut at RBC Capital Markets
** Share (LSE: SHRE.L - news) suffer a 6th straight day of losses
** RBC (Other OTC: RBCI - news) cut PT on stock to 35 pence and keeps underperform rating, says weak platinum group metal (PGM) prices are a risk to co's free cash flow generation
** Brokerage also says co could struggle to refinance debt if metal prices continue to remain flat
** Stock biggest loser on the FTSE 250 index and biggest drag on FTSE 350 mining index
** Of 20 analysts covering stock, 4 recommend "buy" or higher, 6 say sell" and 10 recommend holding (abhiram.nandakumar.thomsonreuters.com@reuters.net)