Following his remarks, the value of the pound dropped and government borrowing costs rose, via the interest rate on both 10 and 30-year bonds.
Although market fluctuations are common, there was a reaction following Sir Keir’s comments in the Commons – signalling concern among investors of potential changes within the Treasury.
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PM refuses to rule out tax rises
Sterling dropped to a week-long low, hitting $1.35 for the first time since 24 June. The level, however, is still significantly higher than the vast majority of the past year, having come off the near four-year peak reached yesterday.
While a drop against the euro, took the pound to €1.15, a rate not seen since mid-April in the aftermath of President Donald Trump’s tariff announcements.
Meanwhile, the interest rate investors charge to lend money to the government, called the gilt yield, rose on both long-term (30-year) and ten-year bonds.
The UK’s benchmark 10-year gilt yield – so-called for the gilt edges that historically lined the paper they were printed on – rose to 4.67%, a high last recorded on 9 June.
And 30-year gilt yields hit 5.45%, a level not seen since 29 May.
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Ms Reeves has committed to self-imposed rules to reduce debt and balance the budget. Speculation around her future led investors to question the government’s commitment to balancing the books – and how they would do that.
The questions over her future came after the government scrapped the core money-saving component of its welfare bill, which had been intended to reduce spending in order to meet fiscal rules.