Chancellor Rachel Reeves will later today announce what is expected to mark the biggest round of tax hikes in 30 years, as well as billions of pounds of extra borrowing.
Labour's bid to fix public services and revitalise the British economy has driven a degree of market anxiety, with borrowing costs gradually rising to their highest level since before the general election.
The FTSE 100 is down 0.5 per cent in early trading. Among the companies with reports and trading updates today are Next, GSK, Aston Martin Lagonda and CAB Payments. Read the 30 October Business Live blog below.
> If you are using our app or a third-party site click here to read Business Live