By Pratima Desai and Clara Denina LONDON (Reuters) -Britain’s Financial Conduct Authority (FCA) and the Bank of England are talking to the London Metal Exchange about the resumption of a fair and orderly market in nickel, the FCA said on Monday. The LME was forced to halt nickel trading and cancel trades after prices doubled on Tuesday, March 8, to more than $100,000 per tonne after China’s Tsingshan Holding Group bought large amounts to reduce its short positions in the metal. “As a regulated investment exchange, the LME is responsible for the maintenance of fair and orderly markets,” the FCA…