Meanwhile, extremely wide forecasts for new public borrowing requirements make the outlook for government bonds uncertain. Here are the main budget predictions for UK stocks, gilts and the pound. However NatWest analysts flagged that the OBR will likely revise down growth forecasts for the next five years, making the outlook for interest rates finely balanced. Hunt will likely keep the budget "reasonably dull" after Truss's "mini-budget" sent sterling to its lowest on record, she added. Investors in UK stocks are already grappling with a wide valuation gap with U.S. equities.

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