Nov 6, 2026 · 24 min
UK rates rise as markets question the AI boom
Bad News Is Good News — Until It Isn’t
The episode connects stubborn UK inflation, weaker domestic markets and shifting AI expectations to a broader question about how investors should read bad news.
- 1The Bank of England’s hawkish rate increase highlights inflation pressures and structural limits on UK growth.
- 2The FTSE 250’s record masks a shrinking small-cap market, fewer listings and weaker conditions for shareholder democracy.
- 3US politics, data-center spending and softer AI expectations could determine whether bad news still supports markets.
Don't miss
The hosts test whether the market is moving from a regime where bad news supports prices to one where bad news is simply bad news.
The brief
Merryn Somerset Webb and John Stepek begin with the Bank of England’s move to 4%, arguing that persistent inflation reflects energy policy, public-sector wages and deeper UK growth problems.
The FTSE 250 has reached a record 25,000, but that headline sits beside a shrinking UK small-cap market, fewer listings, weaker analyst coverage and growing private-equity influence.
US midterm politics could reshape data-center construction and AI regulation, with very different consequences for hyperscalers, neocloud companies, chipmakers and other AI stocks.
The hosts question whether the AI investment boom is already losing momentum as growth and rate expectations change, threatening the market logic that treated bad news as good news.
They finish by challenging assumptions about UK productivity and AI exposure, urging investors to understand their index holdings and diversify as market signals become less forgiving.
What was said on this episode
25 statements · 7 positive · 15 negative · 1 mixed · 2 neutral
UK inflation has remained above the Bank of England’s 2% target for a long time.
“inflation has been above the two percent target forever”
Listen at 4:06
The Bank of England’s mandate is to keep inflation at 2%.
“the bank of england has one job and it's to keep inflation at two percent”
Listen at 4:10
UK CPI will reach 5% in the middle of next year.
“In the middle of next year, CPI is going to be 5%”
Listen at 4:24
The UK economy is highly vulnerable to external shocks.
“we're just very vulnerable”
Listen at 5:27
Irish data centres are expected to reach 30% of electricity consumption.
“And it's heading towards 30. That's the expectation that it hits 30.”
Listen at 8:09
Bids have removed approximately 1.3% of FTSE Small Cap market capitalization year to date.
“Year to date, approximately 13%, 1.3% of the market cap of the FTSE small cap has been taken out through bids.”
Listen at 8:36
UK small-cap companies are disappearing from public markets.
“UK small caps are basically just, they're disappearing.”
Listen at 9:07
Unbundling and related rules reduced broker coverage of stocks.
“you get no brokers covering stocks anymore because it didn't pay to do it”
Listen at 9:51
Private equity has made public listing significantly less attractive.
“listing has become significantly less attractive”
Listen at 10:11
The government should reduce regulation affecting public markets.
“Government, reduce regulation.”
Listen at 10:40
U.S. data-center construction drives a large share of GDP growth.
“a large part of U.S. GDP growth is currently driven by data center build-outs”
Listen at 14:12
Slower U.S. data-center construction would affect the broader economy.
“If growth in the buildout slows, then that will have implications for the economy as a whole.”
Listen at 14:26
Hyperscaler stocks rose as AI buildout concerns increased.
“We've seen the hyperscalers pop”
Listen at 15:03
Slower data-center construction is unfavorable for NVIDIA.
“it's not great for the likes of NVIDIA”
Listen at 15:15
The market increasingly fears AI deceleration will slow economic growth.
“the market is getting actually more worried about the economy slowing down as a result of an AI slowdown”
Listen at 16:19
Markets may welcome slower U.S. growth because it reduces expected rate hikes.
“the market is slightly relieved that the US economy might slow down because it means that you won't get as many interest rate hikes”
Listen at 16:58
The AI investment bubble has probably burst.
“I would hazard, I guess, that the bubble has basically burst at this point”
Listen at 17:36
An investment bubble cannot persist when acceleration turns into slowdown.
“if you don't get that acceleration, in fact, you actually get a slowdown, then it's already dead in the water”
Listen at 18:23
Markets may eventually stop treating bad economic news as beneficial.
“we probably do then still have a point to come where actually, no, bad news is just bad news”
Listen at 18:55
AI drives a substantial portion of the UK’s limited economic growth.
“It is entirely possible that while we might present ourselves as anti-AI, and I'm good with that, in fact, under the hood, quite a lot of our obviously not particularly exciting growth, such as it is, is AI-driven.”
Listen at 20:05
UK AI-related technology spending will produce a productivity boom.
“we have got a productivity boom ahead of us.”
Listen at 21:06
Available evidence cannot definitively establish AI’s productivity impact.
“I'm actually very skeptical that anyone can tell you anything particularly definitive about ai helping productivity”
Listen at 21:43
Evidence remains insufficient to determine AI’s labor-market effect.
“we still haven't seen you can still have a very very very defendable debate on both sides about whether ai is making any difference to the labor market at all”
Listen at 21:56
Investors should maintain diversified portfolios.
“Just have a diversified portfolio, folks. I think that's the only answer.”
Listen at 22:24
Investors should understand the composition of their index holdings.
“make sure that you understand the composition of your index holdings.”
Listen at 22:29
Statements are attributed to the speaker as said on the episode and reflect their view at the time, not PodLume's. They are not advice.
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