The FTSE 100 has pulled back from its record high in recent weeks, prompting fresh debate about whether the index can reclaim that ground before summer ends.
The index hit an all-time high of 10,989 points on 31 July before retreating to its current level of 10,757, leaving it approximately 2.2% below that peak.
That 2.2% move back to 11,000 points is considered significant, as it would signal renewed investor momentum and push the Footsie into fresh record high territory.
When asked to assess the probability of the FTSE 100 finishing above 11,000 points by mid-September, ChatGPT assigned only a 55% chance of that outcome occurring.
The AI cited positive medium-term momentum and a supportive global backdrop as reasons for a mildly better-than-even probability, but flagged commodities as the primary downside risk.
Specifically, ChatGPT raised the potential for another large oil shock that could revive inflation concerns, push bond yields higher and damage broader risk sentiment across markets.
One analyst who reviewed those findings believes the probability should be placed much closer to 80%, arguing that a key theme is being underappreciated by markets right now.
That theme is investors seeking to diversify away from AI stocks, with the FTSE 100 well positioned to benefit given its heavy weighting toward financial services, healthcare and energy sectors.
Those sectors are all performing well and could attract further capital allocation, potentially driving the index higher than the more cautious AI assessment suggests.
Within that context, Barclays (LSE: BARC) stands out as a particularly compelling pick among FTSE 100 constituents for investors looking to capitalise on this rotation.
The stock has already risen 40% over the past year, driven primarily by improving profitability across the group’s core and investment banking divisions.
Barclays reported £6.1bn of pre-tax profit for the first half of 2026, up 17% year on year and ahead of market expectations, reflecting the strength of its underlying business.
Its investment bank has been especially useful to overall performance, with second-quarter equities revenue jumping 45% amid elevated market volatility during the period.
Management also nudged full-year income guidance higher to £31.5bn, providing investors with an additional layer of confidence heading into the second half of 2026.
Capital returns are another compelling feature of the Barclays investment case, with the bank announcing a £1bn share buyback alongside £800m of dividends at its half-year results.
Share buybacks reduce the overall share count and can boost earnings per share, providing a further potential catalyst if profitability continues to hold at current levels.
Higher-for-longer interest rates also remain a structural tailwind for Barclays, supporting lending income while resilient markets could sustain strong investment banking revenues.
However, the bank expects an additional £500m of second-half costs, which could weigh on the next set of results and bears close watching by investors.
Any deterioration in the UK economic outlook could also lead to higher bad debts, representing a meaningful risk to earnings forecasts over the coming quarters.
Despite those risks, with profits growing and substantial capital being returned to shareholders, Barclays looks capable of outperforming the broader FTSE 100 through the remainder of 2026.