The Great Paradox of London: The FTSE 100 Keeps Smashing Records While Companies Flee the Exchange

There is a strange contradiction sitting at the heart of the London market right now, and it is one that ought to keep every British investor thinking. The FTSE 100 is on one of its strongest runs in years, brushing up against fresh record highs, while at the same time a steady stream of companies keep announcing they would rather list their shares almost anywhere but London. Both stories are true, and understanding why they coexist tells you a great deal about how modern markets actually work.

In late August the index climbed to around 10,878 points, extending a winning streak to six consecutive sessions, its longest such run since May. That built on a remarkable stretch in which the FTSE 100 first punched through the psychologically important 10,000 barrier and then kept going, notching a series of all-time closing highs through the year. For an index long dismissed as a sleepy backwater, this has been a genuinely eye-catching performance.

A record run built on unglamorous strengths

The rally is not the product of a few fashionable technology names, as it so often is on Wall Street. Instead it is powered by exactly the sort of businesses the FTSE 100 is stuffed with: energy majors, miners, banks, insurers and consumer-goods giants. When commodity prices hold firm and interest rates look set to ease, those heavyweight sectors do the heavy lifting, and the index has plenty of them to lean on.

Analysts have grown noticeably more optimistic, with many now flagging the 11,000 mark as the next realistic target. The bullish case rests on a handful of tailwinds pulling in the same direction: the prospect of a rate-cutting cycle, continued support from commodity prices, a wave of defence spending across Europe, valuations that still look cheap by international standards, and corporate earnings that have held up better than the gloomy headlines suggested.

Cheapness matters more than casual observers assume. For years the FTSE 100 traded at a hefty discount to American equities, which made British blue chips a magnet for value-hunting investors and, increasingly, for the companies themselves buying back their own shares. When a market is priced for pessimism and the news turns out merely mediocre rather than disastrous, prices can climb a long way simply on relief.

Why a weak pound is quietly doing the work

One of the least understood engines of this rally is the currency. A large majority of FTSE 100 revenues are earned overseas, in dollars, euros and other currencies, and then translated back into sterling in the accounts. When the pound is soft, every dollar of foreign profit converts into more pounds, mechanically flattering earnings and, by extension, share prices without a single extra product being sold.

That is why the FTSE 100 and the pound so often move in opposite directions, and why a strong index is not automatically a vote of confidence in the domestic British economy. In many ways the blue-chip index is a bet on the health of the wider world rather than on the high streets of the United Kingdom, a distinction that trips up plenty of people trying to read the market as a national scoreboard.

The exodus that refuses to stop

And yet, against this triumphant backdrop, the London Stock Exchange keeps losing members. A run of well-known firms have either shifted their primary listing to New York, accepted takeovers that remove them from the market entirely, or chosen to float their shares abroad in the first place. The complaint is familiar: deeper pools of capital, richer valuations and a more receptive investor base sit on the other side of the Atlantic.

This is the paradox in its sharpest form. The index can hit records precisely because its surviving members are large, global, cash-generative and, in many cases, returning money to shareholders through buybacks that shrink the share count and lift prices. Meanwhile the pipeline of new, ambitious, growth-hungry companies that would refresh the market for the next decade is thinning out, listing elsewhere or never listing at all.

In other words, a rising FTSE 100 and a shrinking London market are not contradictory at all. One measures the price of the incumbents; the other measures the long-term vitality of the exchange as a place where the next generation of companies chooses to raise capital and grow. A market can look magnificent today while quietly hollowing out its own future.

What it means for ordinary investors

For anyone holding a UK tracker fund or a pension weighted toward British blue chips, the record run is genuine good news, and the dividends that these mature companies pay remain among the most generous in the developed world. The income case for the FTSE 100 has always been strong, and a rising index simply adds capital gains on top of those payouts.

But the smart move is to understand exactly what you own. A position in the FTSE 100 is largely a bet on global commodities, financials and a weak pound, not a straightforward wager on Britain's domestic recovery. Investors who want exposure to fast-growing homegrown companies increasingly have to look at smaller indices or private markets, because the biggest names are, by definition, already big.

The months ahead will test whether the rally can push through 11,000 or whether the listings drought eventually catches up with sentiment. For now, though, the lesson is worth holding onto: a headline number at a record high can be entirely real and still tell you almost nothing about the deeper questions of where growth, ambition and the next great British company will actually choose to live.