By Jess Jones UK Chancellor Rachel Reeves’ Autumn Budget plan to rewrite fiscal rules and borrow more could jeopardise the stability of the country’s public finances, warned ratings agency Moody’s on Friday. In its first assessment of the Labour government’s Budget, Moody’s said that Reeves’ approach leaves little flexibility to manage economic shocks without breaching her newly introduced fiscal rules. “In our view, the increase in borrowing, which is in part supported by a new measure of debt under the fiscal framework, will pose an additional challenge for what are already difficult fiscal …