UK Borrowing Costs Hit 18-Year High as Burnham Leadership Bid Rattles Markets
BBC Business reported Friday that UK borrowing costs have surged to an 18-year peak while the pound has weakened, as Greater Manchester Mayor Andy Burnham confirmed a bid to re-enter Parliament and position himself for the Labour leadership.
Gilt Yields Breach Key Level
The yield on 10-year UK government bonds briefly exceeded 5.14% on Friday morning, a level not seen since 2008. Thirty-year gilt yields also climbed, touching 5.81%. Over the past week alone, 10-year yields have broken above their 2008 watermark on three separate occasions. UK bond moves were notably sharper than those of other European sovereign debt markets, which also edged higher amid broader inflation worries tied to the ongoing Iran conflict.
Pound Takes a Hit
Sterling fell 0.3% against the dollar to $1.3371 on Friday. XTB Research Director Kathleen Brooks noted the currency had shed roughly 1.5% across the week. Much of the damage came late Thursday, immediately after Burnham signalled his parliamentary ambitions. Brooks contrasted the reaction with the market response to former Health Secretary Wes Streeting‘s earlier resignation from Cabinet, which produced no comparable sterling weakness. She described Burnham as the least market-friendly candidate currently in the frame.
Background: Why Markets Are Nervous
Investor anxiety centres on Burnham’s publicly stated scepticism toward bond-market discipline. In a prior interview with the New Statesman, he argued that governments needed to move past deference to debt investors. AJ Bell Investment Director Russ Mould said that comment alone was enough to push gilt yields higher and drag the pound down. Mould added that a contest involving Burnham could prove lengthy and disruptive, extending the period of political uncertainty hanging over UK assets. Jefferies Economist Mohit Kumar told Reuters that markets feared a Burnham-led government would tolerate a wider fiscal deficit.
Broader Market and Political Picture
The FTSE 100 fell 0.6% on Friday, compounding a difficult week for UK equities. Oil prices added to the uncomfortable inflation backdrop, with Brent crude rising above $109 a barrel from roughly $105.72 the day before. Brooks warned that a severe sell-off in sterling or gilts could force prospective leadership candidates to reconsider their timing. Burnham still faces several hurdles. He must first secure selection as the candidate for the Makerfield constituency, replacing MP Josh Simons who stepped aside, and then win a by-election that could be tightly contested by Reform UK.
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