By Charlie Conchie A group of pension funds has been warned against turning the City into the “best regulated graveyard” today after they called for the boss of the London Stock Exchange to stop lobbying for reform of financial services rules. In the latest of a series of letters to the London Stock Exchange Group (LSEG), a coalition of 87 council pension schemes called for Julia Hoggett, the chief of the London Stock Exchange, to stop pushing for regulatory change and provide evidence for claims that stringent rules were damaging London’s public markets. “What has been said by the CEO of the …