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Investing within the UK, I’m principally involved a few FTSE 100 inventory market crash. However ChatGPT highlighted analysts mentioning how intently related the UK and US inventory markets are.
If the US market falters, I can’t see UK shares avoiding a dip.
What does my AI assistant make of professional views? Analysts at JPMorgan just lately prompt the S&P 500 may attain 7,000 factors by early 2026. In order that they don’t see any have to panic over an imminent crash, it appears. However the fears stay within the background.
We now have no actual hope of predicting when the inventory market would possibly crash. However I feel there are two issues we are able to do. We are able to take into consideration what the set off may be, and determine what to do if and when it occurs.
The important thing occasion?
So, it appears any main FTSE fall would most definitely be kicked off by a drop in US markets. And with huge S&P 500 and Nasdaq positive aspects in 2025 coming principally from AI-based shares, these appear to be essentially the most possible triggers.
Which one would possibly begin all of it off? My eyes are firmly on Tesla (NASDAQ: TSLA) as a attainable future wrongdoer.
On 22 October, Tesla posted a 12% rise in third-quarter income to $28.1bn after a document quarter’s gross sales. That was excellent news, following durations of slowing electrical car demand. However with prices climbing and margins being squeezed, the corporate noticed earnings per share fall by an enormous 31% from the identical quarter a yr in the past.
Value how a lot?
That is all quick time period although, and in some ways I see Tesla as an thrilling funding prospect for the long run. However there’s one hurdle — valuation. The inventory is method out in entrance of the Magnificent 7, with a forecast price-to-earnings (P/E) ratio of 365!
That’s based mostly on greater than vehicles, for certain. A lot as the best way Amazon‘s valuation method again in 1999 was based mostly on greater than books. And whereas I see an excellent probability of Tesla changing into the brand new era’s Amazon, it’s the one I’ll be most involved about if I see a wobble.
What to do
Asking AI fashions about when an AI bubble would possibly burst is a little bit of enjoyable. However long-term traders ought to be way more involved about the way to take care of the chance.
In the mean time, billionaire Warren Buffett doesn’t see a lot in the best way of worth purchases. And with the S&P 500 on a cyclically-adjusted P/E ratio (CAPE) of near 40, that’s comprehensible. The long-term stage is round 17. The $340bn he has in money at Berkshire Hathaway might be price holding onto proper now.
However with considerably lower than that to speculate, my crash-aware technique stays the identical. The P/E of the FTSE 100 is round 19 to twenty — greater than common, however not by a lot. And I see loads of UK shares nonetheless on enticing valuations.
So, keep calm and hold placing money apart each month. And purchase shares that I charge nearly as good worth with it. No panic. Scenario regular.

