Britain’s FTSE 100 edged higher on Wednesday as gains in oil majors and financial stocks helped offset pressure from a hotter-than-expected inflation report. The market’s advance remained limited, however, as stronger price growth reinforced expectations that the Bank of England will raise interest rates next month.

Inflation Limits the FTSE 100’s Upside

The blue-chip FTSE 100 rose 0.1% to 10,752.88 points, recovering modestly after two consecutive sessions of declines. The midcap FTSE 250 performed somewhat better, gaining 0.3%, suggesting broader participation despite the challenging macroeconomic backdrop.

UK consumer inflation increased to 3.5% in September, above economists’ expectation of 3.4%. According to the source, the increase came as the US-Israeli war on Iran pushed energy prices higher, adding another layer of pressure to the UK’s inflation outlook.

Money markets are now pricing in a near-certain 25-basis-point Bank of England rate hike in November, based on LSEG data. Higher interest rates can weigh on economic activity and corporate financing conditions, creating a counterweight to the earnings and commodity-related support benefiting parts of the FTSE 100.

Energy Stocks Provide a Key Market Support

Energy companies were among the strongest contributors to the benchmark, with BP and Shell among the biggest boosts to the FTSE 100. Their performance reflects the importance of the energy sector to the composition of Britain’s leading equity index, particularly when higher energy prices support expectations for stronger industry revenues.

Britain also approved the Jackdaw North Sea gas field on Wednesday, ending years of legal and political disputes. The decision comes as the Labour government attempts to balance climate objectives with concerns over domestic energy security.

The development adds another dimension to Britain’s energy strategy as policymakers contend with volatile global energy markets and inflationary pressures.

Budget and Fiscal Concerns Add to Market Uncertainty

The equity market is also approaching next week’s government budget against a difficult fiscal backdrop. Finance Minister John Healey faced pressure after official data showed government borrowing exceeded forecasts for a second consecutive month, pushing public debt above £3 trillion.

HSBC multi-asset strategist Duncan Toms said expectations for relatively stable economic policy and a market-friendly budget could limit the FTSE 100’s upside, particularly if the measures resulted in a stronger pound. A stronger sterling can reduce the translated value of overseas earnings for internationally exposed companies in the index.

The combination of fiscal uncertainty, inflation and currency considerations therefore remains important for UK equities.

Company-Specific Moves Highlight Uneven Market Conditions

Individual corporate developments also influenced trading. Asset manager Aberdeen Group fell 4% after warning that adviser-segment inflows were returning more slowly than expected. In the FTSE 250, bicycle and car-parts retailer Halfords dropped about 8.6%, its steepest decline on the index, following its first-half results.

These moves highlight the increasingly selective nature of the market, where strong sector performance can coexist with sharp declines in individual companies.

Going forward, investors will monitor the November Bank of England decision, incoming inflation data and next week’s UK budget for signals on monetary and fiscal policy. The performance of energy companies, sterling and corporate earnings will also remain important in determining whether the FTSE 100 can sustain its recent resilience amid higher borrowing costs.