LME to consult on whether its market abuse rules need reform

LONDON (Reuters) - The London Metal Exchange plans to consult members on whether its rules need to be changed to guard against market abuse and insider trading, the exchange said on Tuesday.To start the process, the LME will form a working group to highlight potential problems and seek comment from representatives of the metals market. The findings will be included in a discussion paper to be issued by the exchange.Problems could involve transparency around LME warrants - title documents for..